2026-08-05 07:49:22	INFO	::casa	Using user configuration file /home/casatest/.casa/config.py
2026-08-05 07:49:22	INFO	::casa	loaded config file : /wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casaconfig/config.py
2026-08-05 07:49:22	INFO	::casa	loaded config file : /home/casatest/.casa/config.py
2026-08-05 07:49:22	INFO	::casa	
2026-08-05 07:49:22	INFO	::casa	config values
2026-08-05 07:49:22	INFO	::casa	    agg = False
2026-08-05 07:49:22	INFO	::casa	    cachedir = '/home/casatest/.casa'
2026-08-05 07:49:22	INFO	::casa	    casaconfig_verbose = 1
2026-08-05 07:49:22	INFO	::casa	    colors = 'Neutral'
2026-08-05 07:49:22	INFO	::casa	    data_auto_update = False
2026-08-05 07:49:22	INFO	::casa	    data_update_interval = 1
2026-08-05 07:49:22	INFO	::casa	    datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata']
2026-08-05 07:49:22	INFO	::casa	    iplog = False
2026-08-05 07:49:22	INFO	::casa	    iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/ipython-20260805-074905.log'
2026-08-05 07:49:22	INFO	::casa	    log2term = True
2026-08-05 07:49:22	INFO	::casa	    logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/casa-20260805-074905.log'
2026-08-05 07:49:22	INFO	::casa	    measures_auto_update = False
2026-08-05 07:49:22	INFO	::casa	    measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/']
2026-08-05 07:49:22	INFO	::casa	    measures_site_interval = 2
2026-08-05 07:49:22	INFO	::casa	    measures_update_interval = 1
2026-08-05 07:49:22	INFO	::casa	    measurespath = '/opt/casa/data/master'
2026-08-05 07:49:22	INFO	::casa	    nogui = False
2026-08-05 07:49:22	INFO	::casa	    nologfile = False
2026-08-05 07:49:22	INFO	::casa	    nologger = True
2026-08-05 07:49:22	INFO	::casa	    pipeline = False
2026-08-05 07:49:22	INFO	::casa	    skipnetworkcheck = False
2026-08-05 07:49:22	INFO	::casa	    startupfile = '/home/casatest/.casa/startup.py'
2026-08-05 07:49:22	INFO	::casa	    user_site = False
2026-08-05 07:49:22	INFO	::casa	
2026-08-05 07:49:22	INFO	::casa	casarundata version is unknown, this is probably a legacy version not installed by casaconfig
2026-08-05 07:49:22	INFO	::casa	measures version is unknown, this is probably a legacy version not installed by casaconfig
2026-08-05 07:49:22	INFO	::casa	
2026-08-05 07:49:22	INFO	::casa	Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic
2026-08-05 07:49:22	INFO	::casa	  IERSeop2000 (version date, last date in table (UTC)): 2026/07/02/15:15, 2026/06/02/00:00:00
2026-08-05 07:49:22	INFO	::casa	  IERSeop97 (version date, last date in table (UTC)): 2026/07/02/15:15, 2026/06/02/00:00:00
2026-08-05 07:49:22	INFO	::casa	  IERSpredict (version date, last date in table (UTC)): 2026/07/29/15:15, 2026/10/27/00:00:00
2026-08-05 07:49:22	INFO	::casa	  TAI_UTC (version date, last date in table (UTC)): 2026/07/01/15:15, 2017/01/01/00:00:00

Running tests...
----------------------------------------------------------------------

Using user configuration file /home/casatest/.casa/config.py

No event loop hook running.
Using matplotlib backend: agg
CASA 6.7.7.3 -- Common Astronomy Software Applications [6.7.7.3]
2026-08-05 07:49:24	INFO	phaseshift::::casa	##########################################
2026-08-05 07:49:24	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:49:24	INFO	phaseshift::::casa	phaseshift( vis='/opt/casa/data/casatestdata/unittest/phaseshift/split11.ms', outputvis='phaseshift11.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter={'0': 'ICRS 1h27m38.337s +5d25m38.886s'} )
2026-08-05 07:49:24	INFO	MSTransformManager::parseMsSpecParams	Input file name is /opt/casa/data/casatestdata/unittest/phaseshift/split11.ms
2026-08-05 07:49:24	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:49:24	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshift11.ms
2026-08-05 07:49:24	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:49:24	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:49:24	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:49:24	INFO	MSTransformManager::open	Select data
2026-08-05 07:49:24	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:49:30	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-08-05 07:49:30	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 1h27m38.337s +5d25m38.886s' successfully parsed for field 0
2026-08-05 07:49:30	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:49:32	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:49:33	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:49:23.958144 End time: 2026-08-05 07:49:32.575939
2026-08-05 07:49:33	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:49:33	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:49:33	INFO	phaseshift::::casa	##########################################
2026-08-05 07:49:33	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:49:33	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter={'0': 'GALACTIC 19h53m50 40d06m00', '2': 'GALACTIC 22h01m02 40d04m03'} )
2026-08-05 07:49:33	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-08-05 07:49:33	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:49:33	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-08-05 07:49:33	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:49:33	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:49:33	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:49:33	INFO	MSTransformManager::open	Select data
2026-08-05 07:49:33	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:49:36	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-08-05 07:49:36	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 19h53m50 40d06m00' successfully parsed for field 0
2026-08-05 07:49:36	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 22h01m02 40d04m03' successfully parsed for field 2
2026-08-05 07:49:36	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:49:37	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:49:37	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:49:32.699912 End time: 2026-08-05 07:49:37.435489
2026-08-05 07:49:37	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:49:37	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:49:38	INFO	phaseshift::::casa	##########################################
2026-08-05 07:49:38	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:49:38	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter={'0': 'J2000 19h53m50 40d06m00', '3': 'J2000 19h53m50 40d06m00'} )
2026-08-05 07:49:38	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-08-05 07:49:38	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:49:38	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-08-05 07:49:38	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:49:38	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:49:38	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:49:38	INFO	MSTransformManager::open	Select data
2026-08-05 07:49:38	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:49:41	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-08-05 07:49:41	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0
2026-08-05 07:49:42	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2
2026-08-05 07:49:42	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-08-05 07:49:42	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-08-05 07:49:42	INFO	phaseshift::::casa+	    task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] )
2026-08-05 07:49:42	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:49:42	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-08-05 07:49:42	INFO	phaseshift::::casa+	    mtlocal.open()
2026-08-05 07:49:42	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-08-05 07:49:42	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-08-05 07:49:42	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:49:42	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open
2026-08-05 07:49:42	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-08-05 07:49:42	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:49:42	INFO	phaseshift::::casa+	RuntimeError: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2
2026-08-05 07:49:42	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:49:37.602851 End time: 2026-08-05 07:49:42.168950
2026-08-05 07:49:42	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:49:42	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:49:42	INFO	phaseshift::::casa	##########################################
2026-08-05 07:49:42	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:49:42	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter={'0': 'J2000 19h53m50 40d06m00'} )
2026-08-05 07:49:42	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-08-05 07:49:42	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:49:42	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-08-05 07:49:42	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:49:42	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:49:42	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:49:42	INFO	MSTransformManager::open	Select data
2026-08-05 07:49:42	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:49:47	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-08-05 07:49:47	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0
2026-08-05 07:49:47	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:49:48	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:49:48	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:49:42.295441 End time: 2026-08-05 07:49:47.869920
2026-08-05 07:49:48	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:49:48	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:49:48	INFO	phaseshift::::casa	##########################################
2026-08-05 07:49:48	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:49:48	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='0,2', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter={'1': 'J2000 19h53m50 40d06m00', '2': 'J2000 22h01m02 40d04m03'} )
2026-08-05 07:49:48	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-08-05 07:49:48	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:49:48	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-08-05 07:49:48	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:49:48	INFO	MSTransformManager::parseDataSelParams	field selection is 0,2
2026-08-05 07:49:48	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:49:48	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:49:48	INFO	MSTransformManager::open	Select data
2026-08-05 07:49:48	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:49:48	INFO	MSTransformDataHandler::makeSelection	11536 out of 15344 rows are going to be considered due to the selection criteria.
2026-08-05 07:49:51	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-08-05 07:49:51	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 1
2026-08-05 07:49:51	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 22h01m02 40d04m03' successfully parsed for field 2
2026-08-05 07:49:51	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:49:52	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:49:52	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:49:48.053984 End time: 2026-08-05 07:49:52.107301
2026-08-05 07:49:52	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:49:52	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:49:52	INFO	phaseshift::::casa	##########################################
2026-08-05 07:49:52	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:49:52	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='0,2', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter={'0': 'ICRS 19h53m50 40d06m00', '2': 'ICRS 22h01m02 40d04m03'} )
2026-08-05 07:49:52	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-08-05 07:49:52	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:49:52	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-08-05 07:49:52	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:49:52	INFO	MSTransformManager::parseDataSelParams	field selection is 0,2
2026-08-05 07:49:52	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:49:52	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:49:52	INFO	MSTransformManager::open	Select data
2026-08-05 07:49:52	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:49:52	INFO	MSTransformDataHandler::makeSelection	11536 out of 15344 rows are going to be considered due to the selection criteria.
2026-08-05 07:49:56	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-08-05 07:49:56	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m50 40d06m00' successfully parsed for field 0
2026-08-05 07:49:56	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 22h01m02 40d04m03' successfully parsed for field 2
2026-08-05 07:49:56	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:49:58	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:49:58	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:49:52.341251 End time: 2026-08-05 07:49:57.622197
2026-08-05 07:49:58	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:49:58	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:49:58	INFO	phaseshift::::casa	##########################################
2026-08-05 07:49:58	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:49:58	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-08-05 07:49:58	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-08-05 07:49:58	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:49:58	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-08-05 07:49:58	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:49:58	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:49:58	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:49:58	INFO	MSTransformManager::open	Select data
2026-08-05 07:49:58	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:50:01	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:50:01	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-08-05 07:50:01	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:50:03	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:50:03	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:49:57.754422 End time: 2026-08-05 07:50:03.016326
2026-08-05 07:50:03	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:50:03	INFO	phaseshift::::casa	##########################################
..2026-08-05 07:50:06	INFO	MeasIERS::fillMeas(MeasIERS::Files, Double) 	Requested JD 0 is outside the range of the IERS (Earth axis data) table.
2026-08-05 07:50:06	INFO	MeasIERS::fillMeas(MeasIERS::Files, Double) +	Calculations will proceed with less precision
..2026-08-05 07:50:06	SEVERE		Error in QuantumHolder::fromString with input string "xxh53m50": Illegal input units or format
2026-08-05 07:50:06	SEVERE	+	 in converting quantity from string 
2026-08-05 07:50:06	SEVERE		Exception Reported: Empty QuantumHolder argument for asQuantumDouble
2026-08-05 07:50:06	SEVERE		Exception Reports: Empty QuantumHolder argument for asQuantumDouble
2026-08-05 07:50:06	SEVERE	phaseshift::::casa	*** Error measures.direction() failed for phasecenter string: BOGUS xxh53m50 40d06m00 when interpreting parameter 'phasecenter': 
...2026-08-05 07:50:15	INFO	phaseshift::::casa	##########################################
2026-08-05 07:50:15	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:50:15	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='1', observation='', datacolumn='all', phasecenter='ICRS 00h06m14 -06d23m35' )
2026-08-05 07:50:15	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-08-05 07:50:15	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:50:15	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:50:15	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:50:15	INFO	MSTransformManager::parseDataSelParams	array selection is 1
2026-08-05 07:50:15	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:50:15	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:50:15	INFO	MSTransformManager::open	Select data
2026-08-05 07:50:15	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:50:15	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows.
2026-08-05 07:50:15	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-08-05 07:50:15	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-08-05 07:50:15	INFO	phaseshift::::casa+	    task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] )
2026-08-05 07:50:15	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:50:15	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-08-05 07:50:15	INFO	phaseshift::::casa+	    mtlocal.open()
2026-08-05 07:50:15	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-08-05 07:50:15	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-08-05 07:50:15	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:50:15	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open
2026-08-05 07:50:15	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-08-05 07:50:15	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:50:15	INFO	phaseshift::::casa+	RuntimeError: MSSelectionNullSelection : The selected table has zero rows.
2026-08-05 07:50:15	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:50:15.041377 End time: 2026-08-05 07:50:15.104770
2026-08-05 07:50:15	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:50:15	INFO	phaseshift::::casa	##########################################
2026-08-05 07:50:15	INFO	phaseshift::::casa	##########################################
2026-08-05 07:50:15	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:50:15	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='0', observation='', datacolumn='all', phasecenter='ICRS 00h06m14 -06d23m35' )
2026-08-05 07:50:15	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-08-05 07:50:15	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:50:15	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:50:15	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:50:15	INFO	MSTransformManager::parseDataSelParams	array selection is 0
2026-08-05 07:50:15	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:50:15	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:50:15	INFO	MSTransformManager::open	Select data
2026-08-05 07:50:15	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:50:38	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-08-05 07:50:38	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-08-05 07:50:40	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:50:40	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-08-05 07:50:40	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:50:42	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:50:42	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:50:15.106115 End time: 2026-08-05 07:50:41.642207
2026-08-05 07:50:42	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:50:42	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:50:43	INFO	phaseshift::::casa	##########################################
2026-08-05 07:50:43	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:50:43	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='MODEL', phasecenter='ICRS 00h06m14 -06d23m35' )
2026-08-05 07:50:43	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-08-05 07:50:43	INFO	MSTransformManager::parseMsSpecParams	Data column is MODEL
2026-08-05 07:50:43	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:50:43	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:50:43	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:50:43	WARN	MSTransformManager::checkDataColumnsToFill	MODEL_DATA column requested but not available in input MS 
2026-08-05 07:50:43	INFO	MSTransformManager::open	Select data
2026-08-05 07:50:43	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:50:43	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: Desired column (MODEL_DATA) not found in the input MS (/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/nep_copy.ms).
2026-08-05 07:50:43	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-08-05 07:50:43	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-08-05 07:50:43	INFO	phaseshift::::casa+	    task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] )
2026-08-05 07:50:43	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:50:43	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-08-05 07:50:43	INFO	phaseshift::::casa+	    mtlocal.open()
2026-08-05 07:50:43	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-08-05 07:50:43	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-08-05 07:50:43	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:50:43	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open
2026-08-05 07:50:43	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-08-05 07:50:43	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:50:43	INFO	phaseshift::::casa+	RuntimeError: Desired column (MODEL_DATA) not found in the input MS (/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/nep_copy.ms).
2026-08-05 07:50:43	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:50:42.821031 End time: 2026-08-05 07:50:42.873873
2026-08-05 07:50:43	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:50:43	INFO	phaseshift::::casa	##########################################
2026-08-05 07:50:43	INFO	phaseshift::::casa	##########################################
2026-08-05 07:50:43	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:50:43	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='DATA', phasecenter='ICRS 00h06m14 -06d23m35' )
2026-08-05 07:50:43	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-08-05 07:50:43	INFO	MSTransformManager::parseMsSpecParams	Data column is DATA
2026-08-05 07:50:43	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:50:43	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:50:43	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:50:43	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:50:43	INFO	MSTransformManager::open	Select data
2026-08-05 07:50:43	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:50:46	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-08-05 07:50:47	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-08-05 07:50:49	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:50:49	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-08-05 07:50:49	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:50:52	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:50:52	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:50:42.875815 End time: 2026-08-05 07:50:52.236705
2026-08-05 07:50:52	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:50:52	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:50:53	INFO	phaseshift::::casa	##########################################
2026-08-05 07:50:53	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:50:53	INFO	phaseshift::::casa	phaseshift( vis='Itziar_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='2', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 00h00m01 -29d55m40' )
2026-08-05 07:50:53	INFO	MSTransformManager::parseMsSpecParams	Input file name is Itziar_copy.ms
2026-08-05 07:50:53	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:50:53	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:50:53	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:50:53	INFO	MSTransformManager::parseDataSelParams	field selection is 2
2026-08-05 07:50:53	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:50:53	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:50:53	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:50:53	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:50:53	INFO	MSTransformManager::open	Select data
2026-08-05 07:50:53	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:50:53	INFO	MSTransformDataHandler::makeSelection	6125 out of 245000 rows are going to be considered due to the selection criteria.
2026-08-05 07:50:56	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:50:56	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 00h00m01 -29d55m40' successfully parsed
2026-08-05 07:50:56	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:50:57	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:50:57	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:50:53.444974 End time: 2026-08-05 07:50:56.853246
2026-08-05 07:50:57	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:50:57	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:50:58	INFO	phaseshift::::casa	##########################################
2026-08-05 07:50:58	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:50:58	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='*FLUX*', array='', observation='', datacolumn='all', phasecenter='ICRS 00h06m14 -06d23m35' )
2026-08-05 07:50:58	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-08-05 07:50:58	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:50:58	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:50:58	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:50:58	INFO	MSTransformManager::parseDataSelParams	scan intent selection is *FLUX*
2026-08-05 07:50:58	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:50:58	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:50:58	INFO	MSTransformManager::open	Select data
2026-08-05 07:50:58	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:50:58	INFO	MSTransformDataHandler::makeSelection	570 out of 6270 rows are going to be considered due to the selection criteria.
2026-08-05 07:51:01	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-08-05 07:51:01	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-08-05 07:51:03	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:51:03	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-08-05 07:51:03	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:51:03	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:51:03	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:50:57.963880 End time: 2026-08-05 07:51:03.291780
2026-08-05 07:51:03	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:51:03	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:51:04	INFO	phaseshift::::casa	##########################################
2026-08-05 07:51:04	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:51:04	INFO	phaseshift::::casa	phaseshift( vis='mms_copy.mms', outputvis='phaseshiftout.ms', keepmms=False, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 05h30m48 13d31m48' )
2026-08-05 07:51:05	INFO	MSTransformManager::parseMsSpecParams	Input file name is mms_copy.mms
2026-08-05 07:51:05	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:51:05	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:51:05	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:51:05	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:51:05	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:51:05	INFO	MSTransformManager::open	Select data
2026-08-05 07:51:05	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:51:08	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:51:08	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 05h30m48 13d31m48' successfully parsed
2026-08-05 07:51:08	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:51:10	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:51:10	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:51:04.466786 End time: 2026-08-05 07:51:09.713904
2026-08-05 07:51:10	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:51:10	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:51:11	INFO	phaseshift::::casa	##########################################
2026-08-05 07:51:11	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:51:11	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='1', datacolumn='all', phasecenter='ICRS 00h06m14 -06d23m35' )
2026-08-05 07:51:11	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-08-05 07:51:11	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:51:11	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:51:11	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:51:11	INFO	MSTransformManager::parseDataSelParams	observation selection is 1
2026-08-05 07:51:11	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:51:11	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:51:11	INFO	MSTransformManager::open	Select data
2026-08-05 07:51:11	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:51:11	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows.
2026-08-05 07:51:11	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-08-05 07:51:11	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-08-05 07:51:11	INFO	phaseshift::::casa+	    task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] )
2026-08-05 07:51:11	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:51:11	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-08-05 07:51:11	INFO	phaseshift::::casa+	    mtlocal.open()
2026-08-05 07:51:11	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-08-05 07:51:11	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-08-05 07:51:11	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:51:11	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open
2026-08-05 07:51:11	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-08-05 07:51:11	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:51:11	INFO	phaseshift::::casa+	RuntimeError: MSSelectionNullSelection : The selected table has zero rows.
2026-08-05 07:51:11	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:51:10.794352 End time: 2026-08-05 07:51:10.835243
2026-08-05 07:51:11	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:51:11	INFO	phaseshift::::casa	##########################################
2026-08-05 07:51:11	INFO	phaseshift::::casa	##########################################
2026-08-05 07:51:11	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:51:11	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='0', datacolumn='all', phasecenter='ICRS 00h06m14 -06d23m35' )
2026-08-05 07:51:11	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-08-05 07:51:11	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:51:11	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:51:11	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:51:11	INFO	MSTransformManager::parseDataSelParams	observation selection is 0
2026-08-05 07:51:11	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:51:11	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:51:11	INFO	MSTransformManager::open	Select data
2026-08-05 07:51:11	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:51:14	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-08-05 07:51:14	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-08-05 07:51:16	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:51:16	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-08-05 07:51:16	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:51:17	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:51:17	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:51:10.838281 End time: 2026-08-05 07:51:16.619443
2026-08-05 07:51:17	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:51:17	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:51:18	INFO	phaseshift::::casa	##########################################
2026-08-05 07:51:18	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:51:18	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-08-05 07:51:18	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-08-05 07:51:18	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:51:18	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:51:18	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:51:18	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:51:18	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:51:18	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:51:18	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:51:18	INFO	MSTransformManager::open	Select data
2026-08-05 07:51:18	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:51:20	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:51:20	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-08-05 07:51:20	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:51:24	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:51:24	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:51:17.753883 End time: 2026-08-05 07:51:23.753237
2026-08-05 07:51:24	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:51:24	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:51:25	INFO	phaseshift::::casa	##########################################
2026-08-05 07:51:25	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:51:25	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='' )
2026-08-05 07:51:25	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: phasecenter parameter must be specified
2026-08-05 07:51:25	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-08-05 07:51:25	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-08-05 07:51:25	INFO	phaseshift::::casa+	    task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] )
2026-08-05 07:51:25	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-08-05 07:51:25	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.7-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 31, in phaseshift
2026-08-05 07:51:25	INFO	phaseshift::::casa+	    raise ValueError("phasecenter parameter must be specified")
2026-08-05 07:51:25	INFO	phaseshift::::casa+	ValueError: phasecenter parameter must be specified
2026-08-05 07:51:25	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:51:24.803054 End time: 2026-08-05 07:51:24.804162
2026-08-05 07:51:25	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:51:25	INFO	phaseshift::::casa	##########################################
2026-08-05 07:51:25	INFO	phaseshift::::casa	##########################################
2026-08-05 07:51:25	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:51:25	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 00h06m14 -08d23m35' )
2026-08-05 07:51:25	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-08-05 07:51:25	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:51:25	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:51:25	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:51:25	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:51:25	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:51:25	INFO	MSTransformManager::open	Select data
2026-08-05 07:51:25	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:51:28	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-08-05 07:51:28	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-08-05 07:51:30	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:51:30	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -08d23m35' successfully parsed
2026-08-05 07:51:30	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:51:31	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:51:31	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:51:24.805164 End time: 2026-08-05 07:51:31.224553
2026-08-05 07:51:31	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:51:31	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:51:32	INFO	phaseshift::::casa	##########################################
2026-08-05 07:51:32	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:51:32	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='00h06m14 -08d23m35' )
2026-08-05 07:51:32	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-08-05 07:51:32	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:51:32	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:51:32	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:51:32	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:51:32	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:51:32	INFO	MSTransformManager::open	Select data
2026-08-05 07:51:32	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:51:36	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-08-05 07:51:36	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-08-05 07:51:37	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:51:37	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center '00h06m14 -08d23m35' successfully parsed
2026-08-05 07:51:37	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:51:38	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:51:38	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:51:32.343887 End time: 2026-08-05 07:51:37.893255
2026-08-05 07:51:38	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:51:38	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:51:39	INFO	phaseshift::::casa	##########################################
2026-08-05 07:51:39	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:51:39	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='post_phaseshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-08-05 07:51:39	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-08-05 07:51:39	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:51:39	INFO	MSTransformManager::parseMsSpecParams	Output file name is post_phaseshift.ms
2026-08-05 07:51:39	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:51:39	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:51:39	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:51:39	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:51:39	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:51:39	INFO	MSTransformManager::open	Select data
2026-08-05 07:51:39	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:51:42	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:51:42	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-08-05 07:51:42	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:51:44	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:51:44	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:51:39.105029 End time: 2026-08-05 07:51:43.980034
2026-08-05 07:51:44	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:51:44	INFO	phaseshift::::casa	##########################################
2026-08-05 07:51:44	INFO	tclean::::casa	##########################################
2026-08-05 07:51:44	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:51:44	INFO	tclean::::casa	tclean( vis='datacopy.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='corrected', imagename='im2_pre', imsize=2048, cell='5arcsec', phasecenter='J2000 19h59m28.449 40d44m01.199', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='wproject', facets=1, psfphasecenter='', wprojplanes=128, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=0, gain=0.1, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:51:44	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:51:44	INFO	SynthesisImagerVi2::selectData 	MS : datacopy.ms | [Opened in readonly mode]
2026-08-05 07:51:44	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 63180
2026-08-05 07:51:44	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_pre] : 
2026-08-05 07:51:44	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_pre] : 
2026-08-05 07:51:44	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:51:44	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09]
2026-08-05 07:51:44	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im2_pre] with ftmachine : wprojectft
2026-08-05 07:51:44	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 22.94 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:51:44	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:51:44	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im2_pre] : hogbom
2026-08-05 07:51:44	INFO	SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:51:45	INFO	WPConvFunc::findConvFunction	W projection using 128 planes
2026-08-05 07:51:45	INFO	WPConvFunc::findConvFunction	Using maximum possible W = 10313.2 (wavelengths)
2026-08-05 07:51:45	INFO	WPConvFunc::findConvFunction	Typical wavelength = 0.299796 (m)
2026-08-05 07:51:45	INFO	WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.639422 wavelengths per pixel
2026-08-05 07:52:00	INFO	WPConvFunc::findConvFunction	Convolution support = [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, 32, 32, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 36, 36, 40, 40, 40, 40, 40, 40, 44, 44, 44, 44, 44, 44, 44, 48, 48, 48, 48, 48, 52, 52, 52, 52, 52, 52, 56, 56, 56, 56, 56, 60, 60, 60, 60, 60, 64, 64, 64, 64, 64, 68, 68, 68, 68, 68, 72, 72, 72, 72, 76, 76, 76, 76, 80, 80, 80] pixels in Fourier plane
2026-08-05 07:52:04	INFO	WPConvFunc::findConvFunction	Memory used in gridding function = 7 MB from maximum 31911 MB

0%....10....20....30....40....50....60....70....80....90....100%
2026-08-05 07:52:21	INFO	SIImageStore::calcSensitivity 	[im2_pre] Theoretical sensitivity (Jy/bm):0.00204403 
2026-08-05 07:52:21	INFO	SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.139857
2026-08-05 07:52:21	INFO	SIImageStore::printBeamSet 	Beam : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg
2026-08-05 07:52:21	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:52:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:52:25	INFO	task_tclean::SDAlgorithmBase::restore 	[im2_pre] : Restoring model image.
2026-08-05 07:52:25	WARN	task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2353)	Restoring with an empty model image. Only residuals will be processed to form the output restored image.
2026-08-05 07:52:26	INFO	task_tclean::SIImageStore::restore 	Beam for chan : 0 : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg
2026-08-05 07:52:26	INFO	tclean::::casa	Searching for images with prefix 'im2_pre'... Found these, writing history into them: ['im2_pre.residual', 'im2_pre.model', 'im2_pre.psf', 'im2_pre.sumwt', 'im2_pre.pb', 'im2_pre.image']
2026-08-05 07:52:27	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:51:44.110338 End time: 2026-08-05 07:52:27.122459
2026-08-05 07:52:27	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:52:27	INFO	tclean::::casa	##########################################
2026-08-05 07:52:27	INFO	tclean::::casa	##########################################
2026-08-05 07:52:27	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:52:27	INFO	tclean::::casa	tclean( vis='post_phaseshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='corrected', imagename='im2_post_phaseshift', imsize=2048, cell='5arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='wproject', facets=1, psfphasecenter='', wprojplanes=128, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=0, gain=0.1, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:52:27	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:52:27	INFO	SynthesisImagerVi2::selectData 	MS : post_phaseshift.ms | [Opened in readonly mode]
2026-08-05 07:52:27	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 63180
2026-08-05 07:52:27	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift] : 
2026-08-05 07:52:27	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift] : 
2026-08-05 07:52:27	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:52:27	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09]
2026-08-05 07:52:27	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im2_post_phaseshift] with ftmachine : wprojectft
2026-08-05 07:52:27	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 22.92 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:52:27	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:52:27	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im2_post_phaseshift] : hogbom
2026-08-05 07:52:27	INFO	SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:52:28	INFO	WPConvFunc::findConvFunction	W projection using 128 planes
2026-08-05 07:52:28	INFO	WPConvFunc::findConvFunction	Using maximum possible W = 10313.2 (wavelengths)
2026-08-05 07:52:28	INFO	WPConvFunc::findConvFunction	Typical wavelength = 0.299796 (m)
2026-08-05 07:52:28	INFO	WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.639422 wavelengths per pixel
2026-08-05 07:52:42	INFO	WPConvFunc::findConvFunction	Convolution support = [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, 32, 32, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 36, 36, 40, 40, 40, 40, 40, 40, 44, 44, 44, 44, 44, 44, 44, 48, 48, 48, 48, 48, 52, 52, 52, 52, 52, 52, 56, 56, 56, 56, 56, 60, 60, 60, 60, 60, 64, 64, 64, 64, 64, 68, 68, 68, 68, 68, 72, 72, 72, 72, 76, 76, 76, 76, 80, 80, 80] pixels in Fourier plane
2026-08-05 07:52:42	INFO	WPConvFunc::findConvFunction	Memory used in gridding function = 7 MB from maximum 31911 MB
2026-08-05 07:52:45	INFO	SIImageStore::calcSensitivity 	[im2_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00204403 
2026-08-05 07:52:45	INFO	SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.092057
2026-08-05 07:52:45	INFO	SIImageStore::printBeamSet 	Beam : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg
2026-08-05 07:52:45	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:52:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:52:49	INFO	task_tclean::SDAlgorithmBase::restore 	[im2_post_phaseshift] : Restoring model image.
2026-08-05 07:52:49	WARN	task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2353)	Restoring with an empty model image. Only residuals will be processed to form the output restored image.
2026-08-05 07:52:49	INFO	task_tclean::SIImageStore::restore 	Beam for chan : 0 : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg
2026-08-05 07:52:50	INFO	tclean::::casa	Searching for images with prefix 'im2_post_phaseshift'... Found these, writing history into them: ['im2_post_phaseshift.sumwt', 'im2_post_phaseshift.pb', 'im2_post_phaseshift.model', 'im2_post_phaseshift.psf', 'im2_post_phaseshift.image', 'im2_post_phaseshift.residual']
2026-08-05 07:52:51	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:52:27.163762 End time: 2026-08-05 07:52:50.506166
2026-08-05 07:52:51	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:52:51	INFO	tclean::::casa	##########################################
2026-08-05 07:52:51	INFO	tclean::::casa	##########################################
2026-08-05 07:52:51	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:52:51	INFO	tclean::::casa	tclean( vis='post_phaseshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='corrected', imagename='im2_post_phaseshift_tclean_phasecenter', imsize=2048, cell='5arcsec', phasecenter='J2000 19h59m28.449 40d44m01.199', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='wproject', facets=1, psfphasecenter='', wprojplanes=128, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=0, gain=0.1, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:52:51	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:52:51	INFO	SynthesisImagerVi2::selectData 	MS : post_phaseshift.ms | [Opened in readonly mode]
2026-08-05 07:52:51	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 63180
2026-08-05 07:52:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 
2026-08-05 07:52:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 
2026-08-05 07:52:51	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:52:51	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09]
2026-08-05 07:52:51	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im2_post_phaseshift_tclean_phasecenter] with ftmachine : wprojectft
2026-08-05 07:52:51	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 22.91 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:52:51	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:52:51	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im2_post_phaseshift_tclean_phasecenter] : hogbom
2026-08-05 07:52:51	INFO	SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:52:51	INFO	WPConvFunc::findConvFunction	W projection using 128 planes
2026-08-05 07:52:51	INFO	WPConvFunc::findConvFunction	Using maximum possible W = 10313.2 (wavelengths)
2026-08-05 07:52:51	INFO	WPConvFunc::findConvFunction	Typical wavelength = 0.299796 (m)
2026-08-05 07:52:51	INFO	WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.639422 wavelengths per pixel
2026-08-05 07:53:06	INFO	WPConvFunc::findConvFunction	Convolution support = [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, 32, 32, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 36, 36, 40, 40, 40, 40, 40, 40, 44, 44, 44, 44, 44, 44, 44, 48, 48, 48, 48, 48, 52, 52, 52, 52, 52, 52, 56, 56, 56, 56, 56, 60, 60, 60, 60, 60, 64, 64, 64, 64, 64, 68, 68, 68, 68, 68, 72, 72, 72, 72, 76, 76, 76, 76, 80, 80, 80] pixels in Fourier plane
2026-08-05 07:53:06	INFO	WPConvFunc::findConvFunction	Memory used in gridding function = 7 MB from maximum 31911 MB
2026-08-05 07:53:08	INFO	SIImageStore::calcSensitivity 	[im2_post_phaseshift_tclean_phasecenter] Theoretical sensitivity (Jy/bm):0.00204403 
2026-08-05 07:53:08	INFO	SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.10755
2026-08-05 07:53:08	INFO	SIImageStore::printBeamSet 	Beam : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg
2026-08-05 07:53:08	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:53:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:53:12	INFO	task_tclean::SDAlgorithmBase::restore 	[im2_post_phaseshift_tclean_phasecenter] : Restoring model image.
2026-08-05 07:53:12	WARN	task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2353)	Restoring with an empty model image. Only residuals will be processed to form the output restored image.
2026-08-05 07:53:13	INFO	task_tclean::SIImageStore::restore 	Beam for chan : 0 : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg
2026-08-05 07:53:13	INFO	tclean::::casa	Searching for images with prefix 'im2_post_phaseshift_tclean_phasecenter'... Found these, writing history into them: ['im2_post_phaseshift_tclean_phasecenter.image', 'im2_post_phaseshift_tclean_phasecenter.model', 'im2_post_phaseshift_tclean_phasecenter.residual', 'im2_post_phaseshift_tclean_phasecenter.sumwt', 'im2_post_phaseshift_tclean_phasecenter.pb', 'im2_post_phaseshift_tclean_phasecenter.psf']
2026-08-05 07:53:15	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:52:50.549656 End time: 2026-08-05 07:53:14.521554
2026-08-05 07:53:15	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:53:15	INFO	tclean::::casa	##########################################
Image value at source locations
Original MS : {'unit': 'Jy/beam', 'value': 1.0387226343154907} and {'unit': 'Jy/beam', 'value': 5.590171813964844}
Phase shifted MS : {'unit': 'Jy/beam', 'value': 1.038696050643921} and {'unit': 'Jy/beam', 'value': 5.589254856109619}
.2026-08-05 07:53:17	INFO	phaseshift::::casa	##########################################
2026-08-05 07:53:17	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:53:17	INFO	phaseshift::::casa	phaseshift( vis='ngc_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='1', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 23h11m54 61d10m54' )
2026-08-05 07:53:17	INFO	MSTransformManager::parseMsSpecParams	Input file name is ngc_copy.ms
2026-08-05 07:53:17	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:53:17	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:53:17	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:53:17	INFO	MSTransformManager::parseDataSelParams	spw selection is 1
2026-08-05 07:53:17	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:53:17	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:53:17	INFO	MSTransformManager::initDataSelectionParams	Selected SPWs Ids are Axis Lengths: [1, 4]  (NB: Matrix in Row/Column order)
2026-08-05 07:53:17	INFO	MSTransformManager::initDataSelectionParams+	[1, 0, 4, 1]
2026-08-05 07:53:17	INFO	MSTransformManager::open	Select data
2026-08-05 07:53:17	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:53:17	INFO	MSTransformDataHandler::makeSelection	13338 out of 26676 rows are going to be considered due to the selection criteria.
2026-08-05 07:53:20	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:53:20	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 23h11m54 61d10m54' successfully parsed
2026-08-05 07:53:20	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:53:21	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:53:21	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:53:17.067031 End time: 2026-08-05 07:53:21.460689
2026-08-05 07:53:21	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:53:21	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:53:23	INFO	phaseshift::::casa	##########################################
2026-08-05 07:53:23	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:53:23	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-08-05 07:53:23	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-08-05 07:53:23	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:53:23	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-08-05 07:53:23	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:53:23	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:53:23	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:53:23	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:53:23	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:53:23	INFO	MSTransformManager::open	Select data
2026-08-05 07:53:23	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:53:25	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:53:25	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-08-05 07:53:25	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:53:27	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:53:27	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:53:22.557684 End time: 2026-08-05 07:53:27.287566
2026-08-05 07:53:27	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:53:27	INFO	phaseshift::::casa	##########################################
.2026-08-05 07:53:28	INFO	phaseshift::::casa	##########################################
2026-08-05 07:53:28	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:53:28	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='0', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' )
2026-08-05 07:53:28	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:53:28	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:53:28	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:53:28	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:53:28	INFO	MSTransformManager::parseDataSelParams	field selection is 0
2026-08-05 07:53:28	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:53:28	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:53:28	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:53:28	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:53:28	INFO	MSTransformManager::open	Select data
2026-08-05 07:53:28	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:53:28	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-08-05 07:53:32	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:53:32	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed
2026-08-05 07:53:32	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:53:33	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:53:33	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:53:28.371268 End time: 2026-08-05 07:53:33.276221
2026-08-05 07:53:33	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:53:33	INFO	phaseshift::::casa	##########################################
2026-08-05 07:53:33	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-08-05 07:53:34	INFO	tclean::::casa	##########################################
2026-08-05 07:53:34	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:53:34	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:53:34	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:53:34	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:53:34	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-08-05 07:53:34	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:53:34	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:53:34	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:53:34	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07]
2026-08-05 07:53:34	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:53:34	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.94 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:53:34	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:53:34	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:53:34	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:53:35	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-08-05 07:53:35	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.026483
2026-08-05 07:53:35	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-08-05 07:53:35	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:53:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:53:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:53:39	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:53:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:53:40	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:53:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:53:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3
2026-08-05 07:53:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:53:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:53:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:53:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:53:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:53:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3
2026-08-05 07:53:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold.
2026-08-05 07:53:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:53:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:53:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053
2026-08-05 07:53:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:53:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3
2026-08-05 07:53:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold.
2026-08-05 07:53:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:53:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:53:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184
2026-08-05 07:53:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:53:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3
2026-08-05 07:53:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter.
2026-08-05 07:53:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:53:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:53:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276
2026-08-05 07:53:50	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:53:50	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:53:50	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:53:50	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-08-05 07:53:51	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:53:54	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:53:33.538471 End time: 2026-08-05 07:53:54.137832
2026-08-05 07:53:54	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:53:54	INFO	tclean::::casa	##########################################
2026-08-05 07:53:54	INFO	imstat::::casa	##########################################
2026-08-05 07:53:54	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:53:54	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:53:54	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:53:54	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:53:54	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:53:54	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:53:54	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:53:54	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz to 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz)
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz
2026-08-05 07:53:54	INFO	imstat::::	Values --- 
2026-08-05 07:53:54	INFO	imstat::::	         -- flux density [flux]:                    4.99409 Jy
2026-08-05 07:53:54	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:53:54	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:53:54	INFO	imstat::::	         -- minimum value [min]:                    -0.00012283 Jy/beam
2026-08-05 07:53:54	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 124, 0, 0]
2026-08-05 07:53:54	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [100, 55, 0, 0]
2026-08-05 07:53:54	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz
2026-08-05 07:53:54	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz
2026-08-05 07:53:54	INFO	imstat::::	         -- Sum of pixel values [sum]:               605.961 Jy/beam
2026-08-05 07:53:54	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1516.75 Jy/beam.Jy/beam
2026-08-05 07:53:54	INFO	imstat::::	Statistics --- 
2026-08-05 07:53:54	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00924623 Jy/beam
2026-08-05 07:53:54	INFO	imstat::::	        -- Variance of the pixel values :           0.0230586 Jy/beam
2026-08-05 07:53:54	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.15185 Jy/beam
2026-08-05 07:53:54	INFO	imstat::::	        -- Root mean square [rms]:                  0.152131 Jy/beam
2026-08-05 07:53:54	INFO	imstat::::	        -- Median of the pixel values [median]:     -2.09007e-05 Jy/beam
2026-08-05 07:53:54	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam
2026-08-05 07:53:54	INFO	imstat::::	        -- IQR [quartile]:                          6.1616e-05 Jy/beam
2026-08-05 07:53:54	INFO	imstat::::	        -- First quartile [q1]:                     -4.79744e-05 Jy/beam
2026-08-05 07:53:54	INFO	imstat::::	        -- Third quartile [q3]:                     1.36416e-05 Jy/beam
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:53:54	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.059610e+02  9.246232e-03  1.521305e-01  1.518505e-01 -1.228298e-04  4.999997e+00
2026-08-05 07:53:54	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:53:54.163717 End time: 2026-08-05 07:53:54.209758
2026-08-05 07:53:54	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:53:54	INFO	imstat::::casa	##########################################
2026-08-05 07:53:54	INFO	phaseshift::::casa	##########################################
2026-08-05 07:53:54	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:53:54	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='fake', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' )
2026-08-05 07:53:54	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:53:54	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:53:54	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:53:54	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:53:54	INFO	MSTransformManager::parseDataSelParams	field selection is fake
2026-08-05 07:53:54	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:53:54	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:53:54	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:53:54	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:53:54	INFO	MSTransformManager::open	Select data
2026-08-05 07:53:54	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:53:54	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-08-05 07:53:57	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:53:57	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed
2026-08-05 07:53:57	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:53:59	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:53:59	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:53:54.236028 End time: 2026-08-05 07:53:58.681453
2026-08-05 07:53:59	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:53:59	INFO	phaseshift::::casa	##########################################
2026-08-05 07:53:59	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data.ms...
2026-08-05 07:53:59	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-08-05 07:53:59	INFO	tclean::::casa	##########################################
2026-08-05 07:53:59	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:53:59	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:53:59	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:53:59	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:53:59	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-08-05 07:53:59	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:53:59	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:53:59	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:53:59	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07]
2026-08-05 07:53:59	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:53:59	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:53:59	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:53:59	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:53:59	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:54:00	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-08-05 07:54:00	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.032983
2026-08-05 07:54:00	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-08-05 07:54:00	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:54:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:54:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:54:02	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:54:02	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:54:02	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:54:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:54:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3
2026-08-05 07:54:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:54:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:54:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:54:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:54:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:54:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3
2026-08-05 07:54:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold.
2026-08-05 07:54:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:54:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:54:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053
2026-08-05 07:54:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:54:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3
2026-08-05 07:54:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold.
2026-08-05 07:54:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:54:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:54:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184
2026-08-05 07:54:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:54:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3
2026-08-05 07:54:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter.
2026-08-05 07:54:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:54:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:54:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276
2026-08-05 07:54:10	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:54:10	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:54:10	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:54:12	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-08-05 07:54:12	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:54:13	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:53:58.784069 End time: 2026-08-05 07:54:12.745893
2026-08-05 07:54:13	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:54:13	INFO	tclean::::casa	##########################################
2026-08-05 07:54:13	INFO	imstat::::casa	##########################################
2026-08-05 07:54:13	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:54:13	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:54:13	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:54:13	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:54:13	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:54:13	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:54:13	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:54:13	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz to 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz)
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz
2026-08-05 07:54:13	INFO	imstat::::	Values --- 
2026-08-05 07:54:13	INFO	imstat::::	         -- flux density [flux]:                    4.99409 Jy
2026-08-05 07:54:13	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:54:13	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:54:13	INFO	imstat::::	         -- minimum value [min]:                    -0.00012283 Jy/beam
2026-08-05 07:54:13	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 124, 0, 0]
2026-08-05 07:54:13	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [100, 55, 0, 0]
2026-08-05 07:54:13	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz
2026-08-05 07:54:13	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz
2026-08-05 07:54:13	INFO	imstat::::	         -- Sum of pixel values [sum]:               605.961 Jy/beam
2026-08-05 07:54:13	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1516.75 Jy/beam.Jy/beam
2026-08-05 07:54:13	INFO	imstat::::	Statistics --- 
2026-08-05 07:54:13	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00924623 Jy/beam
2026-08-05 07:54:13	INFO	imstat::::	        -- Variance of the pixel values :           0.0230586 Jy/beam
2026-08-05 07:54:13	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.15185 Jy/beam
2026-08-05 07:54:13	INFO	imstat::::	        -- Root mean square [rms]:                  0.152131 Jy/beam
2026-08-05 07:54:13	INFO	imstat::::	        -- Median of the pixel values [median]:     -2.09007e-05 Jy/beam
2026-08-05 07:54:13	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam
2026-08-05 07:54:13	INFO	imstat::::	        -- IQR [quartile]:                          6.1616e-05 Jy/beam
2026-08-05 07:54:13	INFO	imstat::::	        -- First quartile [q1]:                     -4.79744e-05 Jy/beam
2026-08-05 07:54:13	INFO	imstat::::	        -- Third quartile [q3]:                     1.36416e-05 Jy/beam
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:54:13	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.059610e+02  9.246232e-03  1.521305e-01  1.518505e-01 -1.228298e-04  4.999997e+00
2026-08-05 07:54:13	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:54:12.750901 End time: 2026-08-05 07:54:12.798572
2026-08-05 07:54:13	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:54:13	INFO	imstat::::casa	##########################################
2026-08-05 07:54:13	INFO	phaseshift::::casa	##########################################
2026-08-05 07:54:13	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:54:13	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' )
2026-08-05 07:54:13	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:54:13	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:54:13	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:54:13	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:54:13	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:54:13	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:54:13	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:54:13	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:54:13	INFO	MSTransformManager::open	Select data
2026-08-05 07:54:13	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:54:16	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:54:16	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed
2026-08-05 07:54:16	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:54:17	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:54:17	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:54:12.816765 End time: 2026-08-05 07:54:16.545837
2026-08-05 07:54:17	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:54:17	INFO	phaseshift::::casa	##########################################
2026-08-05 07:54:17	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-08-05 07:54:17	INFO	tclean::::casa	##########################################
2026-08-05 07:54:17	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:54:17	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:54:17	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:54:17	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:54:17	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 7020
2026-08-05 07:54:17	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:54:17	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:54:17	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:54:17	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:54:17	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:54:17	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:54:17	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:54:17	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:54:17	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:54:18	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00843949 
2026-08-05 07:54:18	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027094
2026-08-05 07:54:18	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg
2026-08-05 07:54:18	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:54:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:54:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:54:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:54:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:54:20	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:54:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6069034934043884, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:54:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.606903, CycleNiter=20, Gain=0.3
2026-08-05 07:54:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:54:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:54:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:54:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:54:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07140088081359863, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:54:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0714009, CycleNiter=14, Gain=0.3
2026-08-05 07:54:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold.
2026-08-05 07:54:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:54:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:54:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053
2026-08-05 07:54:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00840018317103386, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:54:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00840018, CycleNiter=8, Gain=0.3
2026-08-05 07:54:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold.
2026-08-05 07:54:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:54:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:54:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814189, over full image : 0.00814189
2026-08-05 07:54:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009882674785330892, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:54:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000988267, CycleNiter=2, Gain=0.3
2026-08-05 07:54:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814189->0.00279267, Reached cycleniter.
2026-08-05 07:54:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:54:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:54:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0027928, over full image : 0.0027928
2026-08-05 07:54:27	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:54:27	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:54:27	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:54:27	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg
2026-08-05 07:54:27	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:54:29	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:54:16.698041 End time: 2026-08-05 07:54:28.708793
2026-08-05 07:54:29	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:54:29	INFO	tclean::::casa	##########################################
2026-08-05 07:54:29	INFO	imstat::::casa	##########################################
2026-08-05 07:54:29	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:54:29	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:54:29	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:54:29	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:54:29	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:54:29	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:54:29	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:54:29	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.888, +39.49.25.864, I, 999981604.64Hz to 19:52:21.069, +40.23.25.888, I, 999981604.64Hz)
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 999981604.64Hz
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.069, +40.23.25.888, I, 999981604.64Hz
2026-08-05 07:54:29	INFO	imstat::::	Values --- 
2026-08-05 07:54:29	INFO	imstat::::	         -- flux density [flux]:                    4.99444 Jy
2026-08-05 07:54:29	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:54:29	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:54:29	INFO	imstat::::	         -- minimum value [min]:                    -9.70533e-05 Jy/beam
2026-08-05 07:54:29	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 124, 0, 0]
2026-08-05 07:54:29	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [158, 70, 0, 0]
2026-08-05 07:54:29	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981604.64Hz
2026-08-05 07:54:29	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:29.120, +39.58.47.882, I, 999981604.64Hz
2026-08-05 07:54:29	INFO	imstat::::	         -- Sum of pixel values [sum]:               610.203 Jy/beam
2026-08-05 07:54:29	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1527.26 Jy/beam.Jy/beam
2026-08-05 07:54:29	INFO	imstat::::	Statistics --- 
2026-08-05 07:54:29	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00931096 Jy/beam
2026-08-05 07:54:29	INFO	imstat::::	        -- Variance of the pixel values :           0.0232178 Jy/beam
2026-08-05 07:54:29	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152374 Jy/beam
2026-08-05 07:54:29	INFO	imstat::::	        -- Root mean square [rms]:                  0.152657 Jy/beam
2026-08-05 07:54:29	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.85752e-05 Jy/beam
2026-08-05 07:54:29	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.83975e-05 Jy/beam
2026-08-05 07:54:29	INFO	imstat::::	        -- IQR [quartile]:                          3.74524e-05 Jy/beam
2026-08-05 07:54:29	INFO	imstat::::	        -- First quartile [q1]:                     -3.53147e-05 Jy/beam
2026-08-05 07:54:29	INFO	imstat::::	        -- Third quartile [q3]:                     2.13765e-06 Jy/beam
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:54:29	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.102032e+02  9.310961e-03  1.526569e-01  1.523738e-01 -9.705327e-05  4.999997e+00
2026-08-05 07:54:29	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:54:28.713390 End time: 2026-08-05 07:54:28.748465
2026-08-05 07:54:29	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:54:29	INFO	imstat::::casa	##########################################
2026-08-05 07:54:29	INFO	phaseshift::::casa	##########################################
2026-08-05 07:54:29	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:54:29	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='1', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 50.108888889deg' )
2026-08-05 07:54:29	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:54:29	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:54:29	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:54:29	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:54:29	INFO	MSTransformManager::parseDataSelParams	field selection is 1
2026-08-05 07:54:29	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:54:29	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:54:29	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:54:29	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:54:29	INFO	MSTransformManager::open	Select data
2026-08-05 07:54:29	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:54:29	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-08-05 07:54:31	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:54:31	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed
2026-08-05 07:54:31	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:54:32	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:54:32	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:54:28.777973 End time: 2026-08-05 07:54:31.919783
2026-08-05 07:54:32	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:54:32	INFO	phaseshift::::casa	##########################################
2026-08-05 07:54:32	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-08-05 07:54:32	INFO	tclean::::casa	##########################################
2026-08-05 07:54:32	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:54:32	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:54:32	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:54:32	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:54:32	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-08-05 07:54:32	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:54:32	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:54:32	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:54:32	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07]
2026-08-05 07:54:32	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:54:32	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:54:32	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:54:32	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:54:32	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:54:33	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-08-05 07:54:33	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.030495
2026-08-05 07:54:33	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-08-05 07:54:33	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:54:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:54:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 0.290316
2026-08-05 07:54:35	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:54:35	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:54:35	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.290316, over full image : 0.290316
2026-08-05 07:54:35	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:54:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3
2026-08-05 07:54:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter.
2026-08-05 07:54:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:54:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:54:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.180075, over full image : 0.180075
2026-08-05 07:54:36	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:54:36	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:54:36	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:54:37	INFO	SIImageStore::restore 	Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-08-05 07:54:38	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:54:39	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:54:32.089963 End time: 2026-08-05 07:54:39.297970
2026-08-05 07:54:39	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:54:39	INFO	tclean::::casa	##########################################
2026-08-05 07:54:39	INFO	imstat::::casa	##########################################
2026-08-05 07:54:39	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:54:39	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:54:39	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:54:39	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:54:39	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:54:39	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:54:39	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:54:39	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz to 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz)
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz
2026-08-05 07:54:39	INFO	imstat::::	Values --- 
2026-08-05 07:54:39	INFO	imstat::::	         -- flux density [flux]:                    -0.242513 Jy
2026-08-05 07:54:39	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:54:39	INFO	imstat::::	         -- maximum value [max]:                    0.285872 Jy/beam
2026-08-05 07:54:39	INFO	imstat::::	         -- minimum value [min]:                    -0.1468 Jy/beam
2026-08-05 07:54:39	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [54, 120, 0, 0]
2026-08-05 07:54:39	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [148, 28, 0, 0]
2026-08-05 07:54:39	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz
2026-08-05 07:54:39	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz
2026-08-05 07:54:39	INFO	imstat::::	         -- Sum of pixel values [sum]:               -29.9309 Jy/beam
2026-08-05 07:54:39	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     233.452 Jy/beam.Jy/beam
2026-08-05 07:54:39	INFO	imstat::::	Statistics --- 
2026-08-05 07:54:39	INFO	imstat::::	        -- Mean of the pixel values [mean]:         -0.00045671 Jy/beam
2026-08-05 07:54:39	INFO	imstat::::	        -- Variance of the pixel values :           0.00356204 Jy/beam
2026-08-05 07:54:39	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.0596828 Jy/beam
2026-08-05 07:54:39	INFO	imstat::::	        -- Root mean square [rms]:                  0.0596841 Jy/beam
2026-08-05 07:54:39	INFO	imstat::::	        -- Median of the pixel values [median]:     -0.00646386 Jy/beam
2026-08-05 07:54:39	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam
2026-08-05 07:54:39	INFO	imstat::::	        -- IQR [quartile]:                          0.0789052 Jy/beam
2026-08-05 07:54:39	INFO	imstat::::	        -- First quartile [q1]:                     -0.0432754 Jy/beam
2026-08-05 07:54:39	INFO	imstat::::	        -- Third quartile [q3]:                     0.0356299 Jy/beam
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:54:39	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04 -2.993095e+01 -4.567100e-04  5.968411e-02  5.968282e-02 -1.468002e-01  2.858716e-01
2026-08-05 07:54:39	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:54:39.303210 End time: 2026-08-05 07:54:39.344060
2026-08-05 07:54:39	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:54:39	INFO	imstat::::casa	##########################################
2026-08-05 07:54:39	INFO	phaseshift::::casa	##########################################
2026-08-05 07:54:39	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:54:39	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='pretend', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 50.108888889deg' )
2026-08-05 07:54:39	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:54:39	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:54:39	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:54:39	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:54:39	INFO	MSTransformManager::parseDataSelParams	field selection is pretend
2026-08-05 07:54:39	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:54:39	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:54:39	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:54:39	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:54:39	INFO	MSTransformManager::open	Select data
2026-08-05 07:54:39	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:54:39	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-08-05 07:54:42	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:54:42	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed
2026-08-05 07:54:42	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:54:43	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:54:43	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:54:39.363350 End time: 2026-08-05 07:54:42.667088
2026-08-05 07:54:43	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:54:43	INFO	phaseshift::::casa	##########################################
2026-08-05 07:54:43	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data.ms...
2026-08-05 07:54:43	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-08-05 07:54:43	INFO	tclean::::casa	##########################################
2026-08-05 07:54:43	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:54:43	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:54:43	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:54:43	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:54:43	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-08-05 07:54:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:54:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:54:43	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:54:43	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07]
2026-08-05 07:54:43	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:54:43	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:54:43	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:54:43	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:54:43	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:54:45	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-08-05 07:54:45	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02592
2026-08-05 07:54:45	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-08-05 07:54:45	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:54:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:54:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 0.290316
2026-08-05 07:54:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:54:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:54:47	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.290316, over full image : 0.290316
2026-08-05 07:54:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:54:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3
2026-08-05 07:54:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter.
2026-08-05 07:54:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:54:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:54:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.180075, over full image : 0.180075
2026-08-05 07:54:48	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:54:48	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:54:48	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:54:49	INFO	SIImageStore::restore 	Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-08-05 07:54:49	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:54:50	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:54:42.761086 End time: 2026-08-05 07:54:50.020000
2026-08-05 07:54:50	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:54:50	INFO	tclean::::casa	##########################################
2026-08-05 07:54:50	INFO	imstat::::casa	##########################################
2026-08-05 07:54:50	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:54:50	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:54:50	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:54:50	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:54:50	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:54:50	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:54:50	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:54:50	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz to 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz)
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz
2026-08-05 07:54:50	INFO	imstat::::	Values --- 
2026-08-05 07:54:50	INFO	imstat::::	         -- flux density [flux]:                    -0.242513 Jy
2026-08-05 07:54:50	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:54:50	INFO	imstat::::	         -- maximum value [max]:                    0.285872 Jy/beam
2026-08-05 07:54:50	INFO	imstat::::	         -- minimum value [min]:                    -0.1468 Jy/beam
2026-08-05 07:54:50	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [54, 120, 0, 0]
2026-08-05 07:54:50	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [148, 28, 0, 0]
2026-08-05 07:54:50	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz
2026-08-05 07:54:50	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz
2026-08-05 07:54:50	INFO	imstat::::	         -- Sum of pixel values [sum]:               -29.9309 Jy/beam
2026-08-05 07:54:50	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     233.452 Jy/beam.Jy/beam
2026-08-05 07:54:50	INFO	imstat::::	Statistics --- 
2026-08-05 07:54:50	INFO	imstat::::	        -- Mean of the pixel values [mean]:         -0.00045671 Jy/beam
2026-08-05 07:54:50	INFO	imstat::::	        -- Variance of the pixel values :           0.00356204 Jy/beam
2026-08-05 07:54:50	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.0596828 Jy/beam
2026-08-05 07:54:50	INFO	imstat::::	        -- Root mean square [rms]:                  0.0596841 Jy/beam
2026-08-05 07:54:50	INFO	imstat::::	        -- Median of the pixel values [median]:     -0.00646386 Jy/beam
2026-08-05 07:54:50	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam
2026-08-05 07:54:50	INFO	imstat::::	        -- IQR [quartile]:                          0.0789052 Jy/beam
2026-08-05 07:54:50	INFO	imstat::::	        -- First quartile [q1]:                     -0.0432754 Jy/beam
2026-08-05 07:54:50	INFO	imstat::::	        -- Third quartile [q3]:                     0.0356299 Jy/beam
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:54:50	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04 -2.993095e+01 -4.567100e-04  5.968411e-02  5.968282e-02 -1.468002e-01  2.858716e-01
2026-08-05 07:54:50	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:54:50.024564 End time: 2026-08-05 07:54:50.067984
2026-08-05 07:54:50	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:54:50	INFO	imstat::::casa	##########################################
.2026-08-05 07:54:50	INFO	tclean::::casa	##########################################
2026-08-05 07:54:50	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:54:50	INFO	tclean::::casa	tclean( vis='sim_data.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_orig', imsize=2048, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='wproject', facets=1, psfphasecenter='', wprojplanes=128, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:54:50	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:54:50	INFO	SynthesisImagerVi2::selectData 	MS : sim_data.ms | [Opened in readonly mode]
2026-08-05 07:54:50	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:54:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_orig] : 
2026-08-05 07:54:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_orig] : 
2026-08-05 07:54:51	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:54:51	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [9.99981e+08] at [0] with increment [1e+08]
2026-08-05 07:54:51	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_orig] with ftmachine : wprojectft
2026-08-05 07:54:51	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 22.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:54:51	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:54:51	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_orig] : hogbom
2026-08-05 07:54:51	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:54:52	INFO	task_tclean::WPConvFunc::findConvFunction	W projection using 128 planes
2026-08-05 07:54:52	INFO	task_tclean::WPConvFunc::findConvFunction	Using maximum possible W = 6445.78 (wavelengths)
2026-08-05 07:54:52	INFO	task_tclean::WPConvFunc::findConvFunction	Typical wavelength = 0.299799 (m)
2026-08-05 07:54:52	INFO	task_tclean::WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.399639 wavelengths per pixel
2026-08-05 07:55:08	INFO	task_tclean::WPConvFunc::findConvFunction	Convolution support = [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24, 24, 28, 28, 28, 28, 28, 28, 28, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 36, 40, 40, 40, 40, 40, 44, 44, 44, 44, 44, 48, 48, 48, 48, 52, 52, 52, 52, 52, 56, 56, 56, 56, 60, 60, 60, 60, 64, 64, 64, 64, 68, 68, 68, 72, 72, 72, 72, 76, 76, 76, 80, 80, 80, 80, 84, 84, 84, 88, 88, 88, 92, 92, 92, 96, 96, 96, 100, 100, 100, 104, 104, 108, 108, 108, 112, 112, 112, 116, 116] pixels in Fourier plane
2026-08-05 07:55:08	INFO	task_tclean::WPConvFunc::findConvFunction	Memory used in gridding function = 14 MB from maximum 31911 MB
2026-08-05 07:55:12	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_orig] Theoretical sensitivity (Jy/bm):0.00889437 
2026-08-05 07:55:12	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.116447
2026-08-05 07:55:12	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg
2026-08-05 07:55:12	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:55:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:55:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 4.94899
2026-08-05 07:55:16	INFO	SynthesisDeconvolver::setupMask 	[im_orig] Initializing new mask to 1.0 for the full image
2026-08-05 07:55:16	INFO	SynthesisDeconvolver::setupMask 	[im_orig] Number of pixels in the clean mask : 4.1943e+06 out of a total of 4.1943e+06 pixels. [ 100 % ]
2026-08-05 07:55:16	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 4.94899, over full image : 4.94899
2026-08-05 07:55:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.5971387624740601, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:55:16	INFO	SDAlgorithmBase::deconvolve 	[im_orig] Run Hogbom minor-cycle | CycleThreshold=0.597139, CycleNiter=20, Gain=0.3
2026-08-05 07:55:19	INFO	SDAlgorithmBase::deconvolve 	[im_orig] iters=0->7 [7], model=0->4.6028, peakres=4.94899->0.435227, Reached cyclethreshold.
2026-08-05 07:55:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 7 iterations.
2026-08-05 07:55:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:55:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.45574, over full image : 0.45574
2026-08-05 07:55:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 13, 'cyclethreshold': 0.05498892068862915, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:55:24	INFO	SDAlgorithmBase::deconvolve 	[im_orig] Run Hogbom minor-cycle | CycleThreshold=0.0549889, CycleNiter=13, Gain=0.3
2026-08-05 07:55:25	INFO	SDAlgorithmBase::deconvolve 	[im_orig] iters=0->7 [7], model=4.6028->5.02619, peakres=0.45574->0.0435268, Reached cyclethreshold.
2026-08-05 07:55:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 14 iterations.
2026-08-05 07:55:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:55:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0416506, over full image : 0.0416506
2026-08-05 07:55:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 6, 'cyclethreshold': 0.005025508347898722, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:55:28	INFO	SDAlgorithmBase::deconvolve 	[im_orig] Run Hogbom minor-cycle | CycleThreshold=0.00502551, CycleNiter=6, Gain=0.3
2026-08-05 07:55:29	INFO	SDAlgorithmBase::deconvolve 	[im_orig] iters=0->6 [6], model=5.02619->5.04001, peakres=0.0416506->0.0226678, Reached cycleniter.
2026-08-05 07:55:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:55:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:55:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.022671, over full image : 0.022671
2026-08-05 07:55:33	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:55:33	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:55:33	INFO	SDAlgorithmBase::restore 	[im_orig] : Restoring model image.
2026-08-05 07:55:37	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg
2026-08-05 07:55:38	INFO	tclean::::casa	Searching for images with prefix 'im_orig'... Found these, writing history into them: ['im_orig.sumwt', 'im_orig.psf', 'im_orig.model', 'im_orig.pb', 'im_orig.image', 'im_orig.residual', 'im_orig.mask']
2026-08-05 07:55:40	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:54:50.467453 End time: 2026-08-05 07:55:40.335129
2026-08-05 07:55:40	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:55:40	INFO	tclean::::casa	##########################################
2026-08-05 07:55:40	INFO	imstat::::casa	##########################################
2026-08-05 07:55:40	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:55:40	INFO	imstat::::casa	imstat( imagename='im_orig.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:55:40	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:55:40	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:55:40	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:55:40	INFO	imstat::image::statistics 	Determining stats for image im_orig.image
2026-08-05 07:55:40	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:55:40	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [2047, 2047, 0, 0]  (20:11:05.220, +38.21.11.967, I, 999980841.3Hz to 19:47:03.322, +42.54.02.996, I, 999980841.3Hz)
2026-08-05 07:55:40	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:55:40	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:55:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:55:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [2047, 2047, 0, 0]
2026-08-05 07:55:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 20:11:05.220, +38.21.11.967, I, 999980841.3Hz
2026-08-05 07:55:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:47:03.322, +42.54.02.996, I, 999980841.3Hz
2026-08-05 07:55:41	INFO	imstat::::	Values --- 
2026-08-05 07:55:41	INFO	imstat::::	         -- flux density [flux]:                    5.2713 Jy
2026-08-05 07:55:41	INFO	imstat::::	         -- number of points [npts]:                4.1943e+06
2026-08-05 07:55:41	INFO	imstat::::	         -- maximum value [max]:                    4.97713 Jy/beam
2026-08-05 07:55:41	INFO	imstat::::	         -- minimum value [min]:                    -0.022671 Jy/beam
2026-08-05 07:55:41	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [1509, 773, 0, 0]
2026-08-05 07:55:41	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [1708, 965, 0, 0]
2026-08-05 07:55:41	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.302, +40.06.02.372, I, 999980841.3Hz
2026-08-05 07:55:41	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:51:28.525, +40.31.07.260, I, 999980841.3Hz
2026-08-05 07:55:41	INFO	imstat::::	         -- Sum of pixel values [sum]:               641.87 Jy/beam
2026-08-05 07:55:41	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1619.58 Jy/beam.Jy/beam
2026-08-05 07:55:41	INFO	imstat::::	Statistics --- 
2026-08-05 07:55:41	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.000153034 Jy/beam
2026-08-05 07:55:41	INFO	imstat::::	        -- Variance of the pixel values :           0.000386116 Jy/beam
2026-08-05 07:55:41	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.0196498 Jy/beam
2026-08-05 07:55:41	INFO	imstat::::	        -- Root mean square [rms]:                  0.0196504 Jy/beam
2026-08-05 07:55:41	INFO	imstat::::	        -- Median of the pixel values [median]:     4.62212e-06 Jy/beam
2026-08-05 07:55:41	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 0.003161 Jy/beam
2026-08-05 07:55:41	INFO	imstat::::	        -- IQR [quartile]:                          0.00632194 Jy/beam
2026-08-05 07:55:41	INFO	imstat::::	        -- First quartile [q1]:                     -0.00315522 Jy/beam
2026-08-05 07:55:41	INFO	imstat::::	        -- Third quartile [q3]:                     0.00316673 Jy/beam
2026-08-05 07:55:41	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:55:41	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:55:41	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:55:41	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:55:41	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:55:41	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:55:41	INFO	imstat::ImageStatsCalculator::statistics	 4.194304e+06  6.418700e+02  1.530337e-04  1.965042e-02  1.964982e-02 -2.267099e-02  4.977134e+00
2026-08-05 07:55:41	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:55:40.339293 End time: 2026-08-05 07:55:40.675062
2026-08-05 07:55:41	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:55:41	INFO	imstat::::casa	##########################################
2026-08-05 07:55:41	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:55:41	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:55:41	INFO	ImageRegion::fromRecord+	    [1499, 763, 0, 0] to [1519, 783, 0, 0]  (19:53:57.382, +40.04.43.647, I, 999980841.3Hz to 19:53:43.216, +40.07.21.070, I, 999980841.3Hz)
2026-08-05 07:55:41	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:55:41	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:55:41 2026******
2026-08-05 07:55:41	INFO	ImageFitter::fit+	
2026-08-05 07:55:41	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:55:41	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_orig.image
2026-08-05 07:55:41	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:55:41	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:55:41	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:55:41	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:55:41	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:55:41	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:55:41	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:55:41	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:55:41	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.843, +40.05.23.013 to 19:53:46.759, +40.06.41.724)
2026-08-05 07:55:41	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29832 Jy
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00459192 Jy
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85855 Jy
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00458731 Jy
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	Fit on im_orig.image component 0
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.9885 +/- 0.0032 s (0.0367 arcsec along great circle)
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.0594 +/- 0.0281 arcsec
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- ra:  1509.4535 +/- 0.0046 pixels
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- dec: 772.7181 +/- 0.0035 pixels
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.4778 +/- 0.0014 arcmin
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.2915 +/- 0.0011 arcmin
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.42 +/- 0.26 deg
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.70 arcsec
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.54 arcsec
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- position angle: -89.60 deg
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	    Component is a point source
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	    An upper limit on its size cannot be determined
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.0049 +/- 0.0079 Jy
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- Peak:         5.0102 +/- 0.0046 Jy/beam
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:55:41	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9808 MHz (29.97982 cm)
2026-08-05 07:55:41	INFO	phaseshift::::casa	##########################################
2026-08-05 07:55:41	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:55:41	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-08-05 07:55:41	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:55:41	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:55:41	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:55:41	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:55:41	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:55:41	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:55:41	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:55:41	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:55:41	INFO	MSTransformManager::open	Select data
2026-08-05 07:55:41	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:55:48	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:55:48	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-08-05 07:55:48	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:55:49	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:55:49	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:55:40.806950 End time: 2026-08-05 07:55:48.608447
2026-08-05 07:55:49	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:55:49	INFO	phaseshift::::casa	##########################################
2026-08-05 07:55:49	INFO	tclean::::casa	##########################################
2026-08-05 07:55:49	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:55:49	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:55:49	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:55:49	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:55:49	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:55:49	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:55:49	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:55:49	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:55:49	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:55:49	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:55:49	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:55:49	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:55:49	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:55:49	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:55:52	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:55:52	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027444
2026-08-05 07:55:52	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:55:52	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:55:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:55:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:55:54	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:55:54	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:55:54	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:55:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:55:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:55:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:55:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:55:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:55:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:55:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:55:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:55:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:55:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:55:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:55:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:55:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:55:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:55:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:55:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:55:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:56:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:56:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 07:56:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:56:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:56:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:56:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:56:01	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:56:01	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:56:01	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:56:01	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:56:01	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:56:03	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:55:48.706383 End time: 2026-08-05 07:56:03.009425
2026-08-05 07:56:03	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:56:03	INFO	tclean::::casa	##########################################
2026-08-05 07:56:03	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:56:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:56:03	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:56:03	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:56:03	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:56:03 2026******
2026-08-05 07:56:03	INFO	ImageFitter::fit+	
2026-08-05 07:56:03	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:56:03	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:56:03	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:56:03	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:56:03	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:56:03	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:56:03	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:56:03	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:56:03	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:56:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:56:03	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:56:03	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:56:03	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:56:03	INFO	imstat::::casa	##########################################
2026-08-05 07:56:03	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:56:03	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:56:03	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:56:03	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:56:03	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:56:03	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:56:03	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:56:03	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:56:03	INFO	imstat::::	Values --- 
2026-08-05 07:56:03	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:56:03	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:56:03	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:56:03	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-08-05 07:56:03	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:56:03	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 07:56:03	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:56:03	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 07:56:03	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:56:03	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:56:03	INFO	imstat::::	Statistics --- 
2026-08-05 07:56:03	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:56:03	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:56:03	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:56:03	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:56:03	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-08-05 07:56:03	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-08-05 07:56:03	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-08-05 07:56:03	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-08-05 07:56:03	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:56:03	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777660e-05  4.999996e+00
2026-08-05 07:56:03	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:56:03.079575 End time: 2026-08-05 07:56:03.111572
2026-08-05 07:56:03	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:56:03	INFO	imstat::::casa	##########################################
2026-08-05 07:56:03	INFO	phaseshift::::casa	##########################################
2026-08-05 07:56:03	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:56:03	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 02:40:24.0000' )
2026-08-05 07:56:03	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:56:03	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:56:03	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:56:03	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:56:03	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:56:03	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:56:03	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:56:03	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:56:03	INFO	MSTransformManager::open	Select data
2026-08-05 07:56:03	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:56:06	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 07:56:06	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 02:40:24.0000' successfully parsed
2026-08-05 07:56:06	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:56:07	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:56:07	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:56:03.125165 End time: 2026-08-05 07:56:06.800487
2026-08-05 07:56:07	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:56:07	INFO	phaseshift::::casa	##########################################
2026-08-05 07:56:07	INFO	tclean::::casa	##########################################
2026-08-05 07:56:07	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:56:07	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:56:07	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:56:07	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:56:07	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:56:07	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:56:07	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:56:07	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:56:07	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:56:07	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:56:07	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:56:07	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:56:07	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:56:07	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:56:08	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:56:08	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027424
2026-08-05 07:56:08	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:56:08	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:56:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:56:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:56:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:56:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:56:09	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:56:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:56:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:56:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:56:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:56:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:56:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:56:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:56:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:56:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:56:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:56:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:56:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:56:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:56:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:56:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:56:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 07:56:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:56:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:56:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:56:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:56:15	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:56:15	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:56:15	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:56:16	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:56:16	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:56:17	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:56:06.850023 End time: 2026-08-05 07:56:16.790306
2026-08-05 07:56:17	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:56:17	INFO	tclean::::casa	##########################################
2026-08-05 07:56:17	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:56:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:56:17	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:56:17	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:56:17	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:56:17 2026******
2026-08-05 07:56:17	INFO	ImageFitter::fit+	
2026-08-05 07:56:17	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:56:17	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:56:17	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:56:17	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:56:17	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:56:17	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:56:17	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:56:17	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:56:17	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:56:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:56:17	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:56:17	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:56:17	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:56:17	INFO	imstat::::casa	##########################################
2026-08-05 07:56:17	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:56:17	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:56:17	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:56:17	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:56:17	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:56:17	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:56:17	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:56:17	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:56:17	INFO	imstat::::	Values --- 
2026-08-05 07:56:17	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:56:17	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:56:17	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:56:17	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-08-05 07:56:17	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:56:17	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 07:56:17	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:56:17	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 07:56:17	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:56:17	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:56:17	INFO	imstat::::	Statistics --- 
2026-08-05 07:56:17	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:56:17	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:56:17	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:56:17	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:56:17	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-08-05 07:56:17	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-08-05 07:56:17	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-08-05 07:56:17	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-08-05 07:56:17	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:56:17	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777660e-05  4.999996e+00
2026-08-05 07:56:17	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:56:16.853366 End time: 2026-08-05 07:56:16.881539
2026-08-05 07:56:17	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:56:17	INFO	imstat::::casa	##########################################
2026-08-05 07:56:17	INFO	phaseshift::::casa	##########################################
2026-08-05 07:56:17	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:56:17	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.100000000deg' )
2026-08-05 07:56:17	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:56:17	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:56:17	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:56:17	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:56:17	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:56:17	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:56:17	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:56:17	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:56:17	INFO	MSTransformManager::open	Select data
2026-08-05 07:56:17	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:56:19	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:56:19	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.100000000deg' successfully parsed
2026-08-05 07:56:19	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:56:20	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:56:20	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:56:16.896453 End time: 2026-08-05 07:56:20.033461
2026-08-05 07:56:20	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:56:20	INFO	phaseshift::::casa	##########################################
2026-08-05 07:56:20	INFO	tclean::::casa	##########################################
2026-08-05 07:56:20	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:56:20	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:56:20	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:56:20	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:56:20	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:56:20	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:56:20	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:56:20	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:56:20	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:56:20	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:56:20	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:56:20	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:56:20	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:56:20	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:56:21	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:56:21	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024844
2026-08-05 07:56:21	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:56:21	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:56:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:56:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:56:25	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:56:25	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:56:25	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:56:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:56:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:56:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:56:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:56:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:56:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:56:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:56:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:56:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:56:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:56:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:56:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:56:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:56:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:56:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:56:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 07:56:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:56:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:56:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:56:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:56:31	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:56:31	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:56:31	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:56:31	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:56:32	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:56:32	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:56:20.087039 End time: 2026-08-05 07:56:32.451829
2026-08-05 07:56:32	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:56:32	INFO	tclean::::casa	##########################################
2026-08-05 07:56:32	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:56:32	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:56:32	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:56:32	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:56:32	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:56:32 2026******
2026-08-05 07:56:32	INFO	ImageFitter::fit+	
2026-08-05 07:56:32	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:56:32	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:56:32	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:56:32	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:56:32	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:56:32	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:56:32	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:56:32	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:56:32	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:56:32	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:56:32	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:56:33	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:56:33	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:56:33	INFO	imstat::::casa	##########################################
2026-08-05 07:56:33	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:56:33	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:56:33	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:56:33	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:56:33	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:56:33	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:56:33	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:56:33	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:56:33	INFO	imstat::::	Values --- 
2026-08-05 07:56:33	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:56:33	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:56:33	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:56:33	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-08-05 07:56:33	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:56:33	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 07:56:33	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:56:33	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 07:56:33	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:56:33	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:56:33	INFO	imstat::::	Statistics --- 
2026-08-05 07:56:33	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:56:33	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:56:33	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:56:33	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:56:33	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-08-05 07:56:33	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-08-05 07:56:33	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-08-05 07:56:33	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-08-05 07:56:33	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:56:33	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777660e-05  4.999996e+00
2026-08-05 07:56:33	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:56:32.515775 End time: 2026-08-05 07:56:32.545158
2026-08-05 07:56:33	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:56:33	INFO	imstat::::casa	##########################################
2026-08-05 07:56:33	INFO	phaseshift::::casa	##########################################
2026-08-05 07:56:33	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:56:33	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 0.699877030rad' )
2026-08-05 07:56:33	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:56:33	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:56:33	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:56:33	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:56:33	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:56:33	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:56:33	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:56:33	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:56:33	INFO	MSTransformManager::open	Select data
2026-08-05 07:56:33	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:56:36	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:56:36	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 0.699877030rad' successfully parsed
2026-08-05 07:56:36	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:56:36	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:56:36	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:56:32.558335 End time: 2026-08-05 07:56:36.329688
2026-08-05 07:56:36	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:56:36	INFO	phaseshift::::casa	##########################################
2026-08-05 07:56:36	INFO	tclean::::casa	##########################################
2026-08-05 07:56:36	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:56:36	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:56:36	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:56:36	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:56:36	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:56:37	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:56:37	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:56:37	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:56:37	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:56:37	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:56:37	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:56:37	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:56:37	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:56:37	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:56:38	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:56:38	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025347
2026-08-05 07:56:38	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:56:38	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:56:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:56:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:56:39	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:56:39	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:56:39	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:56:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:56:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:56:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:56:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:56:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:56:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:56:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:56:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:56:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:56:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:56:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:56:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:56:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:56:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:56:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:56:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 07:56:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:56:44	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:56:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:56:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:56:45	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:56:45	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:56:45	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:56:47	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:56:47	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:56:49	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:56:36.392887 End time: 2026-08-05 07:56:49.010237
2026-08-05 07:56:49	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:56:49	INFO	tclean::::casa	##########################################
2026-08-05 07:56:49	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:56:49	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:56:49	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:56:49	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:56:49	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:56:49 2026******
2026-08-05 07:56:49	INFO	ImageFitter::fit+	
2026-08-05 07:56:49	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:56:49	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:56:49	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:56:49	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:56:49	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:56:49	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:56:49	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:56:49	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:56:49	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:56:49	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:56:49	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:56:49	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:56:49	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:56:49	INFO	imstat::::casa	##########################################
2026-08-05 07:56:49	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:56:49	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:56:49	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:56:49	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:56:49	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:56:49	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:56:49	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:56:49	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:56:49	INFO	imstat::::	Values --- 
2026-08-05 07:56:49	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:56:49	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:56:49	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:56:49	INFO	imstat::::	         -- minimum value [min]:                    -7.77764e-05 Jy/beam
2026-08-05 07:56:49	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:56:49	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 07:56:49	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:56:49	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-08-05 07:56:49	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:56:49	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:56:49	INFO	imstat::::	Statistics --- 
2026-08-05 07:56:49	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:56:49	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:56:49	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:56:49	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:56:49	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86664e-05 Jy/beam
2026-08-05 07:56:49	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-08-05 07:56:49	INFO	imstat::::	        -- IQR [quartile]:                          3.56255e-05 Jy/beam
2026-08-05 07:56:49	INFO	imstat::::	        -- First quartile [q1]:                     -3.45078e-05 Jy/beam
2026-08-05 07:56:49	INFO	imstat::::	        -- Third quartile [q3]:                     1.11764e-06 Jy/beam
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:56:49	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777640e-05  4.999996e+00
2026-08-05 07:56:49	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:56:49.092232 End time: 2026-08-05 07:56:49.129370
2026-08-05 07:56:49	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:56:49	INFO	imstat::::casa	##########################################
2026-08-05 07:56:49	INFO	phaseshift::::casa	##########################################
2026-08-05 07:56:49	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:56:49	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 40d06m00' )
2026-08-05 07:56:49	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:56:49	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:56:49	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:56:49	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:56:49	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:56:49	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:56:49	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:56:49	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:56:49	INFO	MSTransformManager::open	Select data
2026-08-05 07:56:49	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:56:52	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:56:52	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 40d06m00' successfully parsed
2026-08-05 07:56:52	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:56:53	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:56:53	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:56:49.145418 End time: 2026-08-05 07:56:52.551979
2026-08-05 07:56:53	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:56:53	INFO	phaseshift::::casa	##########################################
2026-08-05 07:56:53	INFO	tclean::::casa	##########################################
2026-08-05 07:56:53	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:56:53	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:56:53	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:56:53	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:56:53	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:56:53	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:56:53	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:56:53	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:56:53	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:56:53	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:56:53	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:56:53	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:56:53	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:56:53	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:56:54	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:56:54	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027437
2026-08-05 07:56:54	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:56:54	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:56:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:56:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:56:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:56:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:56:55	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:56:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:56:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:56:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:56:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:56:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:56:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:56:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:56:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:56:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:56:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:56:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:56:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:57:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:57:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:57:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:57:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:57:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 07:57:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:57:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:57:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:57:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:57:02	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:57:02	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:57:02	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:57:03	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:57:03	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:57:04	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:56:52.609999 End time: 2026-08-05 07:57:04.187121
2026-08-05 07:57:04	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:57:04	INFO	tclean::::casa	##########################################
2026-08-05 07:57:04	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:57:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:57:04	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:57:04	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:57:04	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:57:04 2026******
2026-08-05 07:57:04	INFO	ImageFitter::fit+	
2026-08-05 07:57:04	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:57:04	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:57:04	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:57:04	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:57:04	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:57:04	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:57:04	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:57:04	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:57:04	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:57:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:57:04	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:57:04	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:57:04	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:57:04	INFO	imstat::::casa	##########################################
2026-08-05 07:57:04	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:57:04	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:57:04	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:57:04	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:57:04	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:57:04	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:57:04	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:57:04	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:57:04	INFO	imstat::::	Values --- 
2026-08-05 07:57:04	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:57:04	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:57:04	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:57:04	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-08-05 07:57:04	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:57:04	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 07:57:04	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:57:04	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 07:57:04	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:57:04	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:57:04	INFO	imstat::::	Statistics --- 
2026-08-05 07:57:04	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:57:04	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:57:04	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:57:04	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:57:04	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-08-05 07:57:04	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-08-05 07:57:04	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-08-05 07:57:04	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-08-05 07:57:04	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:57:04	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777660e-05  4.999996e+00
2026-08-05 07:57:04	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:57:04.259187 End time: 2026-08-05 07:57:04.285238
2026-08-05 07:57:04	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:57:04	INFO	imstat::::casa	##########################################
2026-08-05 07:57:04	INFO	phaseshift::::casa	##########################################
2026-08-05 07:57:04	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:57:04	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 02:40:24.0000' )
2026-08-05 07:57:04	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:57:04	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:57:04	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:57:04	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:57:04	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:57:04	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:57:04	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:57:04	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:57:04	INFO	MSTransformManager::open	Select data
2026-08-05 07:57:04	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:57:09	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 07:57:09	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 02:40:24.0000' successfully parsed
2026-08-05 07:57:09	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:57:10	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:57:10	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:57:04.301804 End time: 2026-08-05 07:57:09.573852
2026-08-05 07:57:10	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:57:10	INFO	phaseshift::::casa	##########################################
2026-08-05 07:57:10	INFO	tclean::::casa	##########################################
2026-08-05 07:57:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:57:10	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:57:10	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:57:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:57:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:57:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:57:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:57:10	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:57:10	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:57:10	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:57:10	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:57:10	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:57:10	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:57:10	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:57:11	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:57:11	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027273
2026-08-05 07:57:11	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:57:11	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:57:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:57:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:57:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:57:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:57:12	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:57:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:57:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:57:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:57:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:57:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:57:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:57:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:57:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:57:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:57:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:57:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:57:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:57:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:57:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:57:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:57:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 07:57:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:57:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:57:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:57:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:57:20	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:57:20	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:57:20	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:57:21	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:57:21	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:57:22	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:57:09.628747 End time: 2026-08-05 07:57:22.385337
2026-08-05 07:57:22	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:57:22	INFO	tclean::::casa	##########################################
2026-08-05 07:57:22	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:57:22	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:57:22	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:57:22	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:57:22	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:57:22 2026******
2026-08-05 07:57:22	INFO	ImageFitter::fit+	
2026-08-05 07:57:22	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:57:22	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:57:22	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:57:22	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:57:22	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:57:22	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:57:22	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:57:22	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:57:22	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:57:22	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:57:22	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:57:22	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:57:22	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:57:22	INFO	imstat::::casa	##########################################
2026-08-05 07:57:22	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:57:22	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:57:22	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:57:22	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:57:22	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:57:22	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:57:22	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:57:22	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:57:22	INFO	imstat::::	Values --- 
2026-08-05 07:57:22	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:57:22	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:57:22	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:57:22	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-08-05 07:57:22	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:57:22	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 07:57:22	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:57:22	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 07:57:22	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:57:22	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:57:22	INFO	imstat::::	Statistics --- 
2026-08-05 07:57:22	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:57:22	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:57:22	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:57:22	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:57:22	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-08-05 07:57:22	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-08-05 07:57:22	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-08-05 07:57:22	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-08-05 07:57:22	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:57:22	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777660e-05  4.999996e+00
2026-08-05 07:57:22	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:57:22.461542 End time: 2026-08-05 07:57:22.487819
2026-08-05 07:57:22	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:57:22	INFO	imstat::::casa	##########################################
2026-08-05 07:57:23	INFO	phaseshift::::casa	##########################################
2026-08-05 07:57:23	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:57:23	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 40.100000000deg' )
2026-08-05 07:57:23	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:57:23	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:57:23	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:57:23	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:57:23	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:57:23	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:57:23	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:57:23	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:57:23	INFO	MSTransformManager::open	Select data
2026-08-05 07:57:23	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:57:25	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:57:25	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 40.100000000deg' successfully parsed
2026-08-05 07:57:25	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:57:25	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:57:26	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:57:22.504481 End time: 2026-08-05 07:57:25.514217
2026-08-05 07:57:26	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:57:26	INFO	phaseshift::::casa	##########################################
2026-08-05 07:57:26	INFO	tclean::::casa	##########################################
2026-08-05 07:57:26	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:57:26	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:57:26	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:57:26	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:57:26	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:57:26	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:57:26	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:57:26	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:57:26	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:57:26	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:57:26	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:57:26	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:57:26	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:57:26	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:57:28	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:57:28	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02058
2026-08-05 07:57:28	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:57:28	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:57:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:57:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:57:30	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:57:30	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:57:30	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:57:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:57:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:57:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:57:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:57:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:57:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:57:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:57:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:57:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:57:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:57:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:57:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:57:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:57:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:57:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:57:35	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 07:57:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:57:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:57:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:57:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:57:36	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:57:36	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:57:36	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:57:37	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:57:38	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:57:39	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:57:25.574403 End time: 2026-08-05 07:57:39.398687
2026-08-05 07:57:39	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:57:39	INFO	tclean::::casa	##########################################
2026-08-05 07:57:39	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:57:39	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:57:39	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:57:39	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:57:39	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:57:39 2026******
2026-08-05 07:57:39	INFO	ImageFitter::fit+	
2026-08-05 07:57:39	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:57:39	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:57:39	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:57:39	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:57:39	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:57:39	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:57:39	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:57:39	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:57:39	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:57:39	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:57:39	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:57:39	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:57:39	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:57:39	INFO	imstat::::casa	##########################################
2026-08-05 07:57:39	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:57:39	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:57:39	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:57:39	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:57:39	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:57:39	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:57:39	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:57:39	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:57:39	INFO	imstat::::	Values --- 
2026-08-05 07:57:39	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:57:39	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:57:39	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:57:39	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-08-05 07:57:39	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:57:39	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 07:57:39	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:57:39	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 07:57:39	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:57:39	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:57:39	INFO	imstat::::	Statistics --- 
2026-08-05 07:57:39	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:57:39	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:57:39	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:57:39	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:57:39	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-08-05 07:57:39	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-08-05 07:57:39	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-08-05 07:57:39	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-08-05 07:57:39	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:57:39	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777660e-05  4.999996e+00
2026-08-05 07:57:39	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:57:39.461553 End time: 2026-08-05 07:57:39.486043
2026-08-05 07:57:39	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:57:39	INFO	imstat::::casa	##########################################
2026-08-05 07:57:40	INFO	phaseshift::::casa	##########################################
2026-08-05 07:57:40	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:57:40	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 0.699877030rad' )
2026-08-05 07:57:40	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:57:40	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:57:40	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:57:40	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:57:40	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:57:40	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:57:40	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:57:40	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:57:40	INFO	MSTransformManager::open	Select data
2026-08-05 07:57:40	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:57:41	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:57:41	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 0.699877030rad' successfully parsed
2026-08-05 07:57:41	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:57:42	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:57:42	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:57:39.503822 End time: 2026-08-05 07:57:42.472875
2026-08-05 07:57:42	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:57:42	INFO	phaseshift::::casa	##########################################
2026-08-05 07:57:43	INFO	tclean::::casa	##########################################
2026-08-05 07:57:43	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:57:43	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:57:43	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:57:43	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:57:43	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:57:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:57:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:57:43	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:57:43	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:57:43	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:57:43	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:57:43	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:57:43	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:57:43	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:57:44	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:57:44	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024875
2026-08-05 07:57:44	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:57:44	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:57:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:57:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:57:45	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:57:45	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:57:45	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:57:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:57:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:57:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:57:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:57:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:57:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:57:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:57:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:57:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:57:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:57:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:57:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:57:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:57:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:57:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:57:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 07:57:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:57:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:57:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:57:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:57:51	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:57:51	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:57:51	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:57:52	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:57:52	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:57:53	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:57:42.524119 End time: 2026-08-05 07:57:52.966465
2026-08-05 07:57:53	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:57:53	INFO	tclean::::casa	##########################################
2026-08-05 07:57:53	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:57:53	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:57:53	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:57:53	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:57:53	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:57:53 2026******
2026-08-05 07:57:53	INFO	ImageFitter::fit+	
2026-08-05 07:57:53	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:57:53	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:57:53	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:57:53	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:57:53	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:57:53	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:57:53	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:57:53	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:57:53	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:57:53	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:57:53	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:57:53	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:57:53	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:57:53	INFO	imstat::::casa	##########################################
2026-08-05 07:57:53	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:57:53	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:57:53	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:57:53	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:57:53	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:57:53	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:57:53	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:57:53	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:57:53	INFO	imstat::::	Values --- 
2026-08-05 07:57:53	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:57:53	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:57:53	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:57:53	INFO	imstat::::	         -- minimum value [min]:                    -7.77764e-05 Jy/beam
2026-08-05 07:57:53	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:57:53	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 07:57:53	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:57:53	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-08-05 07:57:53	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:57:53	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:57:53	INFO	imstat::::	Statistics --- 
2026-08-05 07:57:53	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:57:53	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:57:53	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:57:53	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:57:53	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86664e-05 Jy/beam
2026-08-05 07:57:53	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-08-05 07:57:53	INFO	imstat::::	        -- IQR [quartile]:                          3.56255e-05 Jy/beam
2026-08-05 07:57:53	INFO	imstat::::	        -- First quartile [q1]:                     -3.45078e-05 Jy/beam
2026-08-05 07:57:53	INFO	imstat::::	        -- Third quartile [q3]:                     1.11764e-06 Jy/beam
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:57:53	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777640e-05  4.999996e+00
2026-08-05 07:57:53	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:57:53.061123 End time: 2026-08-05 07:57:53.088949
2026-08-05 07:57:53	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:57:53	INFO	imstat::::casa	##########################################
2026-08-05 07:57:53	INFO	phaseshift::::casa	##########################################
2026-08-05 07:57:53	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:57:53	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40d06m00' )
2026-08-05 07:57:53	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:57:53	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:57:53	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:57:53	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:57:53	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:57:53	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:57:53	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:57:53	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:57:53	INFO	MSTransformManager::open	Select data
2026-08-05 07:57:53	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:57:55	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:57:55	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 40d06m00' successfully parsed
2026-08-05 07:57:55	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:57:56	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:57:57	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:57:53.107071 End time: 2026-08-05 07:57:56.521379
2026-08-05 07:57:57	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:57:57	INFO	phaseshift::::casa	##########################################
2026-08-05 07:57:57	INFO	tclean::::casa	##########################################
2026-08-05 07:57:57	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:57:57	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:57:57	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:57:57	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:57:57	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:57:57	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:57:57	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:57:57	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:57:57	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:57:57	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:57:57	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:57:57	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:57:57	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:57:57	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:57:58	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:57:58	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025277
2026-08-05 07:57:58	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:57:58	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:57:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:57:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:57:59	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:57:59	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:57:59	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:57:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:57:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:58:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:58:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:58:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:58:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:58:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:58:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:58:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:58:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:58:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:58:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:58:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:58:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:58:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:58:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:58:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 07:58:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:58:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:58:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:58:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:58:06	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:58:06	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:58:06	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:58:07	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:58:07	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:58:08	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:57:56.585292 End time: 2026-08-05 07:58:07.982823
2026-08-05 07:58:08	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:58:08	INFO	tclean::::casa	##########################################
2026-08-05 07:58:08	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:58:08	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:58:08	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:58:08	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:58:08	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:58:08 2026******
2026-08-05 07:58:08	INFO	ImageFitter::fit+	
2026-08-05 07:58:08	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:58:08	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:58:08	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:58:08	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:58:08	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:58:08	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:58:08	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:58:08	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:58:08	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:58:08	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:58:08	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:58:08	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:58:08	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:58:08	INFO	imstat::::casa	##########################################
2026-08-05 07:58:08	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:58:08	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:58:08	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:58:08	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:58:08	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:58:08	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:58:08	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:58:08	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:58:08	INFO	imstat::::	Values --- 
2026-08-05 07:58:08	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:58:08	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:58:08	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:58:08	INFO	imstat::::	         -- minimum value [min]:                    -7.77758e-05 Jy/beam
2026-08-05 07:58:08	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:58:08	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 07:58:08	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:58:08	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 07:58:08	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:58:08	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:58:08	INFO	imstat::::	Statistics --- 
2026-08-05 07:58:08	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:58:08	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:58:08	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:58:08	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:58:08	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86641e-05 Jy/beam
2026-08-05 07:58:08	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-08-05 07:58:08	INFO	imstat::::	        -- IQR [quartile]:                          3.56208e-05 Jy/beam
2026-08-05 07:58:08	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-08-05 07:58:08	INFO	imstat::::	        -- Third quartile [q3]:                     1.11336e-06 Jy/beam
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:58:08	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777580e-05  4.999996e+00
2026-08-05 07:58:08	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:58:08.060769 End time: 2026-08-05 07:58:08.100709
2026-08-05 07:58:08	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:58:08	INFO	imstat::::casa	##########################################
2026-08-05 07:58:08	INFO	phaseshift::::casa	##########################################
2026-08-05 07:58:08	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:58:08	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 02:40:24.0000' )
2026-08-05 07:58:08	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:58:08	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:58:08	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:58:08	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:58:08	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:58:08	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:58:08	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:58:08	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:58:08	INFO	MSTransformManager::open	Select data
2026-08-05 07:58:08	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:58:11	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 07:58:11	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 02:40:24.0000' successfully parsed
2026-08-05 07:58:11	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:58:12	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:58:12	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:58:08.121565 End time: 2026-08-05 07:58:12.206585
2026-08-05 07:58:12	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:58:12	INFO	phaseshift::::casa	##########################################
2026-08-05 07:58:12	INFO	tclean::::casa	##########################################
2026-08-05 07:58:12	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:58:12	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:58:12	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:58:12	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:58:12	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:58:12	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:58:12	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:58:12	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:58:12	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:58:12	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:58:12	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:58:12	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:58:12	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:58:12	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:58:14	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:58:14	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027521
2026-08-05 07:58:14	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:58:14	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:58:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:58:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:58:15	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:58:15	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:58:15	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:58:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:58:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:58:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:58:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:58:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:58:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:58:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:58:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:58:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:58:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:58:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:58:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:58:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:58:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:58:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:58:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 07:58:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:58:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:58:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:58:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:58:21	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:58:21	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:58:21	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:58:22	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:58:23	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:58:25	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:58:12.267482 End time: 2026-08-05 07:58:24.669569
2026-08-05 07:58:25	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:58:25	INFO	tclean::::casa	##########################################
2026-08-05 07:58:25	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:58:25	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:58:25	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:58:25	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:58:25	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:58:25 2026******
2026-08-05 07:58:25	INFO	ImageFitter::fit+	
2026-08-05 07:58:25	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:58:25	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:58:25	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:58:25	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:58:25	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:58:25	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:58:25	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:58:25	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:58:25	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:58:25	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:58:25	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:58:25	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:58:25	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:58:25	INFO	imstat::::casa	##########################################
2026-08-05 07:58:25	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:58:25	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:58:25	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:58:25	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:58:25	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:58:25	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:58:25	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:58:25	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:58:25	INFO	imstat::::	Values --- 
2026-08-05 07:58:25	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:58:25	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:58:25	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:58:25	INFO	imstat::::	         -- minimum value [min]:                    -7.77758e-05 Jy/beam
2026-08-05 07:58:25	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:58:25	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 07:58:25	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:58:25	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 07:58:25	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:58:25	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:58:25	INFO	imstat::::	Statistics --- 
2026-08-05 07:58:25	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:58:25	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:58:25	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:58:25	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:58:25	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86641e-05 Jy/beam
2026-08-05 07:58:25	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-08-05 07:58:25	INFO	imstat::::	        -- IQR [quartile]:                          3.56208e-05 Jy/beam
2026-08-05 07:58:25	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-08-05 07:58:25	INFO	imstat::::	        -- Third quartile [q3]:                     1.11336e-06 Jy/beam
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:58:25	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777580e-05  4.999996e+00
2026-08-05 07:58:25	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:58:24.740104 End time: 2026-08-05 07:58:24.765803
2026-08-05 07:58:25	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:58:25	INFO	imstat::::casa	##########################################
2026-08-05 07:58:25	INFO	phaseshift::::casa	##########################################
2026-08-05 07:58:25	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:58:25	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40.100000000deg' )
2026-08-05 07:58:25	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:58:25	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:58:25	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:58:25	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:58:25	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:58:25	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:58:25	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:58:25	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:58:25	INFO	MSTransformManager::open	Select data
2026-08-05 07:58:25	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:58:28	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:58:28	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 40.100000000deg' successfully parsed
2026-08-05 07:58:28	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:58:29	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:58:29	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:58:24.783715 End time: 2026-08-05 07:58:29.228537
2026-08-05 07:58:29	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:58:29	INFO	phaseshift::::casa	##########################################
2026-08-05 07:58:29	INFO	tclean::::casa	##########################################
2026-08-05 07:58:29	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:58:29	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:58:29	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:58:29	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:58:29	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:58:30	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:58:30	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:58:30	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:58:30	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:58:30	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:58:30	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:58:30	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:58:30	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:58:30	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:58:31	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:58:31	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022846
2026-08-05 07:58:31	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:58:31	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:58:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:58:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:58:34	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:58:34	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:58:34	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:58:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:58:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:58:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:58:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:58:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:58:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:58:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:58:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:58:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:58:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:58:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:58:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:58:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:58:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:58:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:58:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 07:58:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:58:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:58:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:58:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:58:43	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:58:43	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:58:43	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:58:44	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:58:44	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:58:45	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:58:29.285717 End time: 2026-08-05 07:58:45.363923
2026-08-05 07:58:45	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:58:45	INFO	tclean::::casa	##########################################
2026-08-05 07:58:45	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:58:45	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:58:45	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:58:45	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:58:45	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:58:45 2026******
2026-08-05 07:58:45	INFO	ImageFitter::fit+	
2026-08-05 07:58:45	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:58:45	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:58:45	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:58:45	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:58:45	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:58:45	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:58:45	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:58:45	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:58:45	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:58:45	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:58:45	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:58:45	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:58:45	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:58:45	INFO	imstat::::casa	##########################################
2026-08-05 07:58:45	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:58:45	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:58:45	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:58:45	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:58:45	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:58:45	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:58:45	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:58:45	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:58:45	INFO	imstat::::	Values --- 
2026-08-05 07:58:45	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:58:45	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:58:45	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:58:45	INFO	imstat::::	         -- minimum value [min]:                    -7.77758e-05 Jy/beam
2026-08-05 07:58:45	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:58:45	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 07:58:45	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:58:45	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 07:58:45	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:58:45	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:58:45	INFO	imstat::::	Statistics --- 
2026-08-05 07:58:45	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:58:45	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:58:45	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:58:45	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:58:45	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86641e-05 Jy/beam
2026-08-05 07:58:45	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-08-05 07:58:45	INFO	imstat::::	        -- IQR [quartile]:                          3.56208e-05 Jy/beam
2026-08-05 07:58:45	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-08-05 07:58:45	INFO	imstat::::	        -- Third quartile [q3]:                     1.11336e-06 Jy/beam
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:58:45	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777580e-05  4.999996e+00
2026-08-05 07:58:45	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:58:45.436330 End time: 2026-08-05 07:58:45.462522
2026-08-05 07:58:45	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:58:45	INFO	imstat::::casa	##########################################
2026-08-05 07:58:45	INFO	phaseshift::::casa	##########################################
2026-08-05 07:58:45	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:58:45	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 0.699877030rad' )
2026-08-05 07:58:45	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:58:45	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:58:45	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:58:45	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:58:45	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:58:46	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:58:46	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:58:46	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:58:46	INFO	MSTransformManager::open	Select data
2026-08-05 07:58:46	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:58:49	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:58:49	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 0.699877030rad' successfully parsed
2026-08-05 07:58:49	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:58:50	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:58:50	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:58:45.478836 End time: 2026-08-05 07:58:50.066949
2026-08-05 07:58:50	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:58:50	INFO	phaseshift::::casa	##########################################
2026-08-05 07:58:50	INFO	tclean::::casa	##########################################
2026-08-05 07:58:50	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:58:50	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:58:50	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:58:50	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:58:50	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:58:50	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:58:50	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:58:50	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:58:50	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:58:50	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:58:50	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:58:50	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:58:50	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:58:50	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:58:52	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:58:52	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023189
2026-08-05 07:58:52	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:58:52	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:58:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:58:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:58:53	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:58:54	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:58:54	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:58:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:58:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:58:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:58:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:58:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:58:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:58:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:58:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:58:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:58:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:58:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:58:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:58:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:58:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:58:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:58:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:58:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 07:58:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:58:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:58:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:59:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:59:00	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:59:00	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:59:00	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:59:01	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:59:02	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:59:03	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:58:50.123957 End time: 2026-08-05 07:59:02.833263
2026-08-05 07:59:03	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:59:03	INFO	tclean::::casa	##########################################
2026-08-05 07:59:03	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:59:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:59:03	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:59:03	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:59:03	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:59:03 2026******
2026-08-05 07:59:03	INFO	ImageFitter::fit+	
2026-08-05 07:59:03	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:59:03	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:59:03	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:59:03	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:59:03	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:59:03	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:59:03	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:59:03	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:59:03	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:59:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:59:03	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:59:03	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126487 Jy
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:59:03	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:59:03	INFO	imstat::::casa	##########################################
2026-08-05 07:59:03	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:59:03	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:59:03	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:59:03	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:59:03	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:59:03	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:59:03	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:59:03	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:59:03	INFO	imstat::::	Values --- 
2026-08-05 07:59:03	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:59:03	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:59:03	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:59:03	INFO	imstat::::	         -- minimum value [min]:                    -7.77738e-05 Jy/beam
2026-08-05 07:59:03	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:59:03	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 07:59:03	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:59:03	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 07:59:03	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:59:03	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:59:03	INFO	imstat::::	Statistics --- 
2026-08-05 07:59:03	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:59:03	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:59:03	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:59:03	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:59:03	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86662e-05 Jy/beam
2026-08-05 07:59:03	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73577e-05 Jy/beam
2026-08-05 07:59:03	INFO	imstat::::	        -- IQR [quartile]:                          3.56242e-05 Jy/beam
2026-08-05 07:59:03	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-08-05 07:59:03	INFO	imstat::::	        -- Third quartile [q3]:                     1.11673e-06 Jy/beam
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:59:03	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777377e-05  4.999996e+00
2026-08-05 07:59:03	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:59:02.880374 End time: 2026-08-05 07:59:02.908410
2026-08-05 07:59:03	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:59:03	INFO	imstat::::casa	##########################################
2026-08-05 07:59:03	INFO	phaseshift::::casa	##########################################
2026-08-05 07:59:03	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:59:03	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40d06m00' )
2026-08-05 07:59:03	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:59:03	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:59:03	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:59:03	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:59:03	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:59:03	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:59:03	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:59:03	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:59:03	INFO	MSTransformManager::open	Select data
2026-08-05 07:59:03	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:59:05	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:59:05	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 40d06m00' successfully parsed
2026-08-05 07:59:05	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:59:06	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:59:06	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:59:02.922071 End time: 2026-08-05 07:59:06.294383
2026-08-05 07:59:06	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:59:06	INFO	phaseshift::::casa	##########################################
2026-08-05 07:59:06	INFO	tclean::::casa	##########################################
2026-08-05 07:59:06	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:59:06	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:59:06	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:59:06	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:59:06	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:59:07	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:59:07	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:59:07	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:59:07	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:59:07	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:59:07	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:59:07	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:59:07	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:59:07	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:59:07	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:59:07	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023499
2026-08-05 07:59:07	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:59:07	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:59:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:59:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:59:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:59:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:59:09	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:59:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:59:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:59:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:59:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:59:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:59:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:59:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:59:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:59:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:59:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:59:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:59:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:59:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:59:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:59:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:59:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 07:59:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:59:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:59:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:59:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:59:16	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:59:16	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:59:16	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:59:17	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:59:17	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:59:18	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:59:06.340439 End time: 2026-08-05 07:59:17.910317
2026-08-05 07:59:18	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:59:18	INFO	tclean::::casa	##########################################
2026-08-05 07:59:18	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:59:18	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:59:18	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:59:18	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:59:18	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:59:18 2026******
2026-08-05 07:59:18	INFO	ImageFitter::fit+	
2026-08-05 07:59:18	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:59:18	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:59:18	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:59:18	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:59:18	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:59:18	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:59:18	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:59:18	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:59:18	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:59:18	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:59:18	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:59:18	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:59:18	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:59:18	INFO	imstat::::casa	##########################################
2026-08-05 07:59:18	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:59:18	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:59:18	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:59:18	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:59:18	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:59:18	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:59:18	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:59:18	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:59:18	INFO	imstat::::	Values --- 
2026-08-05 07:59:18	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:59:18	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:59:18	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:59:18	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-08-05 07:59:18	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:59:18	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 07:59:18	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:59:18	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-08-05 07:59:18	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:59:18	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:59:18	INFO	imstat::::	Statistics --- 
2026-08-05 07:59:18	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:59:18	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:59:18	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:59:18	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:59:18	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86723e-05 Jy/beam
2026-08-05 07:59:18	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam
2026-08-05 07:59:18	INFO	imstat::::	        -- IQR [quartile]:                          3.55964e-05 Jy/beam
2026-08-05 07:59:18	INFO	imstat::::	        -- First quartile [q1]:                     -3.45025e-05 Jy/beam
2026-08-05 07:59:18	INFO	imstat::::	        -- Third quartile [q3]:                     1.09391e-06 Jy/beam
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:59:18	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778010e-05  4.999996e+00
2026-08-05 07:59:18	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:59:17.978132 End time: 2026-08-05 07:59:18.010810
2026-08-05 07:59:18	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:59:18	INFO	imstat::::casa	##########################################
2026-08-05 07:59:18	INFO	phaseshift::::casa	##########################################
2026-08-05 07:59:18	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:59:18	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 02:40:24.0000' )
2026-08-05 07:59:18	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:59:18	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:59:18	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:59:18	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:59:18	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:59:18	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:59:18	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:59:18	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:59:18	INFO	MSTransformManager::open	Select data
2026-08-05 07:59:18	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:59:21	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 07:59:21	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 02:40:24.0000' successfully parsed
2026-08-05 07:59:21	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:59:21	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:59:21	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:59:18.041255 End time: 2026-08-05 07:59:21.451718
2026-08-05 07:59:21	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:59:21	INFO	phaseshift::::casa	##########################################
2026-08-05 07:59:22	INFO	tclean::::casa	##########################################
2026-08-05 07:59:22	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:59:22	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:59:22	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:59:22	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:59:22	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:59:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:59:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:59:22	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:59:22	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:59:22	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:59:22	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:59:22	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:59:22	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:59:22	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:59:23	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:59:23	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020759
2026-08-05 07:59:23	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:59:23	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:59:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:59:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:59:26	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:59:27	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:59:27	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:59:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:59:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:59:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:59:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:59:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:59:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:59:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:59:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:59:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:59:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:59:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:59:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:59:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:59:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:59:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:59:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 07:59:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:59:31	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:59:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:59:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:59:32	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:59:32	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:59:32	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:59:33	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:59:33	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:59:34	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:59:21.503607 End time: 2026-08-05 07:59:33.790162
2026-08-05 07:59:34	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:59:34	INFO	tclean::::casa	##########################################
2026-08-05 07:59:34	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:59:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:59:34	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:59:34	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:59:34	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:59:34 2026******
2026-08-05 07:59:34	INFO	ImageFitter::fit+	
2026-08-05 07:59:34	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:59:34	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:59:34	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:59:34	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:59:34	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:59:34	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:59:34	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:59:34	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:59:34	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:59:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:59:34	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:59:34	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:59:34	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:59:34	INFO	imstat::::casa	##########################################
2026-08-05 07:59:34	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:59:34	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:59:34	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:59:34	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:59:34	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:59:34	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:59:34	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:59:34	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:59:34	INFO	imstat::::	Values --- 
2026-08-05 07:59:34	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:59:34	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:59:34	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:59:34	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-08-05 07:59:34	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:59:34	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 07:59:34	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:59:34	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-08-05 07:59:34	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:59:34	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:59:34	INFO	imstat::::	Statistics --- 
2026-08-05 07:59:34	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:59:34	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:59:34	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:59:34	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:59:34	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86723e-05 Jy/beam
2026-08-05 07:59:34	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam
2026-08-05 07:59:34	INFO	imstat::::	        -- IQR [quartile]:                          3.55964e-05 Jy/beam
2026-08-05 07:59:34	INFO	imstat::::	        -- First quartile [q1]:                     -3.45025e-05 Jy/beam
2026-08-05 07:59:34	INFO	imstat::::	        -- Third quartile [q3]:                     1.09391e-06 Jy/beam
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:59:34	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778010e-05  4.999996e+00
2026-08-05 07:59:34	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:59:33.872544 End time: 2026-08-05 07:59:33.899639
2026-08-05 07:59:34	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:59:34	INFO	imstat::::casa	##########################################
2026-08-05 07:59:34	INFO	phaseshift::::casa	##########################################
2026-08-05 07:59:34	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:59:34	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40.100000000deg' )
2026-08-05 07:59:34	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:59:34	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:59:34	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:59:34	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:59:34	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:59:34	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:59:34	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:59:34	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:59:34	INFO	MSTransformManager::open	Select data
2026-08-05 07:59:34	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:59:38	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:59:38	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 40.100000000deg' successfully parsed
2026-08-05 07:59:38	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:59:38	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:59:38	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:59:33.916002 End time: 2026-08-05 07:59:38.301722
2026-08-05 07:59:38	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:59:38	INFO	phaseshift::::casa	##########################################
2026-08-05 07:59:38	INFO	tclean::::casa	##########################################
2026-08-05 07:59:38	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:59:38	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:59:38	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:59:38	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:59:38	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:59:39	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:59:39	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:59:39	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:59:39	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:59:39	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:59:39	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:59:39	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:59:39	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:59:39	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:59:40	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:59:40	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022836
2026-08-05 07:59:40	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:59:40	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:59:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:59:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:59:41	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:59:41	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:59:41	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:59:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:59:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:59:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:59:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:59:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:59:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 07:59:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 07:59:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 07:59:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 07:59:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 07:59:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 07:59:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 07:59:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 07:59:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 07:59:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 07:59:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 07:59:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 07:59:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 07:59:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 07:59:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 07:59:47	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 07:59:47	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 07:59:47	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 07:59:48	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:59:48	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 07:59:49	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:59:38.354071 End time: 2026-08-05 07:59:48.694123
2026-08-05 07:59:49	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 07:59:49	INFO	tclean::::casa	##########################################
2026-08-05 07:59:49	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 07:59:49	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:59:49	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 07:59:49	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 07:59:49	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 07:59:49 2026******
2026-08-05 07:59:49	INFO	ImageFitter::fit+	
2026-08-05 07:59:49	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 07:59:49	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 07:59:49	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 07:59:49	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 07:59:49	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 07:59:49	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 07:59:49	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 07:59:49	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 07:59:49	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 07:59:49	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:59:49	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 07:59:49	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 07:59:49	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 07:59:49	INFO	imstat::::casa	##########################################
2026-08-05 07:59:49	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 07:59:49	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 07:59:49	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 07:59:49	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 07:59:49	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 07:59:49	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 07:59:49	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 07:59:49	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 07:59:49	INFO	imstat::::	Values --- 
2026-08-05 07:59:49	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 07:59:49	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 07:59:49	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 07:59:49	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-08-05 07:59:49	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 07:59:49	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 07:59:49	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 07:59:49	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-08-05 07:59:49	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 07:59:49	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 07:59:49	INFO	imstat::::	Statistics --- 
2026-08-05 07:59:49	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 07:59:49	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 07:59:49	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 07:59:49	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 07:59:49	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86723e-05 Jy/beam
2026-08-05 07:59:49	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam
2026-08-05 07:59:49	INFO	imstat::::	        -- IQR [quartile]:                          3.55964e-05 Jy/beam
2026-08-05 07:59:49	INFO	imstat::::	        -- First quartile [q1]:                     -3.45025e-05 Jy/beam
2026-08-05 07:59:49	INFO	imstat::::	        -- Third quartile [q3]:                     1.09391e-06 Jy/beam
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 07:59:49	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778010e-05  4.999996e+00
2026-08-05 07:59:49	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 07:59:48.766283 End time: 2026-08-05 07:59:48.808020
2026-08-05 07:59:49	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 07:59:49	INFO	imstat::::casa	##########################################
2026-08-05 07:59:49	INFO	phaseshift::::casa	##########################################
2026-08-05 07:59:49	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 07:59:49	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 0.699877030rad' )
2026-08-05 07:59:49	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 07:59:49	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 07:59:49	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 07:59:49	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 07:59:49	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 07:59:49	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 07:59:49	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 07:59:49	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 07:59:49	INFO	MSTransformManager::open	Select data
2026-08-05 07:59:49	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 07:59:51	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 07:59:51	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 0.699877030rad' successfully parsed
2026-08-05 07:59:51	INFO	phaseshift::::casa	Shift phase center
2026-08-05 07:59:52	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 07:59:53	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 07:59:48.829073 End time: 2026-08-05 07:59:52.546147
2026-08-05 07:59:53	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 07:59:53	INFO	phaseshift::::casa	##########################################
2026-08-05 07:59:53	INFO	tclean::::casa	##########################################
2026-08-05 07:59:53	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 07:59:53	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 07:59:53	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 07:59:53	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 07:59:53	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 07:59:53	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:59:53	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 07:59:53	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 07:59:53	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 07:59:53	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 07:59:53	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 07:59:53	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 07:59:53	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 07:59:53	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 07:59:55	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 07:59:55	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025479
2026-08-05 07:59:55	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 07:59:55	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 07:59:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 07:59:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 07:59:58	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 07:59:58	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 07:59:58	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 07:59:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 07:59:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 07:59:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 07:59:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 07:59:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 07:59:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 07:59:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:00:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:00:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:00:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:00:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:00:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:00:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:00:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:00:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:00:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:00:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:00:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:00:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:00:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:00:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:00:04	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:00:04	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:00:04	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:00:06	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:00:06	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:00:08	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 07:59:52.600242 End time: 2026-08-05 08:00:07.763400
2026-08-05 08:00:08	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:00:08	INFO	tclean::::casa	##########################################
2026-08-05 08:00:08	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:00:08	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:00:08	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:00:08	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:00:08	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:00:08 2026******
2026-08-05 08:00:08	INFO	ImageFitter::fit+	
2026-08-05 08:00:08	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:00:08	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:00:08	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:00:08	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:00:08	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:00:08	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:00:08	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:00:08	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:00:08	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:00:08	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:00:08	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:00:08	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:00:08	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:00:08	INFO	imstat::::casa	##########################################
2026-08-05 08:00:08	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:00:08	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:00:08	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:00:08	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:00:08	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:00:08	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:00:08	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:00:08	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:00:08	INFO	imstat::::	Values --- 
2026-08-05 08:00:08	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:00:08	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:00:08	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:00:08	INFO	imstat::::	         -- minimum value [min]:                    -7.77793e-05 Jy/beam
2026-08-05 08:00:08	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:00:08	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 08:00:08	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:00:08	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-08-05 08:00:08	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:00:08	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:00:08	INFO	imstat::::	Statistics --- 
2026-08-05 08:00:08	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:00:08	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:00:08	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:00:08	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:00:08	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86714e-05 Jy/beam
2026-08-05 08:00:08	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73592e-05 Jy/beam
2026-08-05 08:00:08	INFO	imstat::::	        -- IQR [quartile]:                          3.55982e-05 Jy/beam
2026-08-05 08:00:08	INFO	imstat::::	        -- First quartile [q1]:                     -3.45035e-05 Jy/beam
2026-08-05 08:00:08	INFO	imstat::::	        -- Third quartile [q3]:                     1.09469e-06 Jy/beam
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:00:08	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777928e-05  4.999996e+00
2026-08-05 08:00:08	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:00:07.846698 End time: 2026-08-05 08:00:07.880326
2026-08-05 08:00:08	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:00:08	INFO	imstat::::casa	##########################################
2026-08-05 08:00:08	INFO	phaseshift::::casa	##########################################
2026-08-05 08:00:08	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:00:08	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40d06m0.0019' )
2026-08-05 08:00:08	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:00:08	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:00:08	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:00:08	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:00:08	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:00:08	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:00:08	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:00:08	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:00:08	INFO	MSTransformManager::open	Select data
2026-08-05 08:00:08	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:00:10	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:00:10	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 40d06m0.0019' successfully parsed
2026-08-05 08:00:10	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:00:11	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:00:12	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:00:07.909012 End time: 2026-08-05 08:00:11.528173
2026-08-05 08:00:12	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:00:12	INFO	phaseshift::::casa	##########################################
2026-08-05 08:00:12	INFO	tclean::::casa	##########################################
2026-08-05 08:00:12	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:00:12	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:00:12	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:00:12	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:00:12	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:00:12	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:00:12	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:00:12	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:00:12	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:00:12	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:00:12	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:00:12	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:00:12	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:00:12	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:00:13	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:00:14	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.028098
2026-08-05 08:00:14	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:00:14	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:00:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:00:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:00:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:00:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:00:16	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:00:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:00:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:00:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:00:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:00:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:00:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:00:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:00:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:00:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:00:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:00:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:00:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:00:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:00:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:00:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:00:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:00:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:00:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:00:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:00:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:00:27	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:00:27	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:00:27	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:00:27	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:00:28	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:00:28	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:00:11.582123 End time: 2026-08-05 08:00:28.367366
2026-08-05 08:00:28	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:00:28	INFO	tclean::::casa	##########################################
2026-08-05 08:00:28	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:00:28	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:00:28	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:00:28	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:00:28	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:00:28 2026******
2026-08-05 08:00:28	INFO	ImageFitter::fit+	
2026-08-05 08:00:28	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:00:28	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:00:28	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:00:28	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:00:28	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:00:28	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:00:28	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:00:28	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:00:28	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:00:28	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:00:28	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:00:28	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:00:28	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:00:28	INFO	imstat::::casa	##########################################
2026-08-05 08:00:28	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:00:28	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:00:28	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:00:28	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:00:28	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:00:28	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:00:28	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:00:28	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:00:28	INFO	imstat::::	Values --- 
2026-08-05 08:00:28	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:00:28	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:00:28	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:00:28	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-08-05 08:00:28	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:00:28	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:00:28	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:00:28	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-08-05 08:00:28	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:00:28	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:00:28	INFO	imstat::::	Statistics --- 
2026-08-05 08:00:28	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:00:28	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:00:28	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:00:28	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:00:28	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86712e-05 Jy/beam
2026-08-05 08:00:28	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam
2026-08-05 08:00:28	INFO	imstat::::	        -- IQR [quartile]:                          3.56293e-05 Jy/beam
2026-08-05 08:00:28	INFO	imstat::::	        -- First quartile [q1]:                     -3.45095e-05 Jy/beam
2026-08-05 08:00:28	INFO	imstat::::	        -- Third quartile [q3]:                     1.1198e-06 Jy/beam
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:00:28	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.779541e-05  4.999996e+00
2026-08-05 08:00:28	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:00:28.438807 End time: 2026-08-05 08:00:28.464092
2026-08-05 08:00:28	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:00:28	INFO	imstat::::casa	##########################################
2026-08-05 08:00:28	INFO	phaseshift::::casa	##########################################
2026-08-05 08:00:28	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:00:28	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 02:40:24.0001' )
2026-08-05 08:00:28	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:00:28	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:00:28	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:00:28	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:00:28	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:00:29	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:00:29	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:00:29	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:00:29	INFO	MSTransformManager::open	Select data
2026-08-05 08:00:29	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:00:31	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 08:00:31	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 02:40:24.0001' successfully parsed
2026-08-05 08:00:31	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:00:32	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:00:32	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:00:28.479401 End time: 2026-08-05 08:00:31.680322
2026-08-05 08:00:32	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:00:32	INFO	phaseshift::::casa	##########################################
2026-08-05 08:00:32	INFO	tclean::::casa	##########################################
2026-08-05 08:00:32	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:00:32	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:00:32	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:00:32	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:00:32	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:00:32	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:00:32	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:00:32	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:00:32	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:00:32	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:00:32	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:00:32	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:00:32	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:00:32	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:00:33	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:00:33	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027893
2026-08-05 08:00:33	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:00:33	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:00:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:00:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:00:34	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:00:34	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:00:34	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:00:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:00:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:00:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:00:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:00:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:00:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:00:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:00:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:00:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:00:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:00:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:00:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:00:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:00:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:00:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:00:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:00:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:00:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:00:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:00:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:00:42	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:00:42	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:00:42	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:00:43	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:00:43	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:00:44	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:00:31.733613 End time: 2026-08-05 08:00:43.948924
2026-08-05 08:00:44	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:00:44	INFO	tclean::::casa	##########################################
2026-08-05 08:00:44	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:00:44	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:00:44	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:00:44	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:00:44	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:00:44 2026******
2026-08-05 08:00:44	INFO	ImageFitter::fit+	
2026-08-05 08:00:44	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:00:44	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:00:44	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:00:44	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:00:44	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:00:44	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:00:44	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:00:44	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:00:44	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:00:44	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:00:44	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996)
2026-08-05 08:00:44	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116891 Jy
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126504 Jy
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:00:44	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:00:44	INFO	imstat::::casa	##########################################
2026-08-05 08:00:44	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:00:44	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:00:44	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:00:44	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:00:44	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:00:44	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:00:44	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:00:44	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:00:44	INFO	imstat::::	Values --- 
2026-08-05 08:00:44	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:00:44	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:00:44	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:00:44	INFO	imstat::::	         -- minimum value [min]:                    -7.78094e-05 Jy/beam
2026-08-05 08:00:44	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:00:44	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 08:00:44	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:00:44	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-08-05 08:00:44	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:00:44	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:00:44	INFO	imstat::::	Statistics --- 
2026-08-05 08:00:44	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:00:44	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:00:44	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:00:44	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:00:44	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86846e-05 Jy/beam
2026-08-05 08:00:44	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam
2026-08-05 08:00:44	INFO	imstat::::	        -- IQR [quartile]:                          3.56505e-05 Jy/beam
2026-08-05 08:00:44	INFO	imstat::::	        -- First quartile [q1]:                     -3.45202e-05 Jy/beam
2026-08-05 08:00:44	INFO	imstat::::	        -- Third quartile [q3]:                     1.13024e-06 Jy/beam
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:00:44	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.780943e-05  4.999996e+00
2026-08-05 08:00:44	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:00:43.997102 End time: 2026-08-05 08:00:44.023617
2026-08-05 08:00:44	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:00:44	INFO	imstat::::casa	##########################################
2026-08-05 08:00:44	INFO	phaseshift::::casa	##########################################
2026-08-05 08:00:44	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:00:44	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40.100000528deg' )
2026-08-05 08:00:44	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:00:44	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:00:44	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:00:44	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:00:44	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:00:44	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:00:44	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:00:44	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:00:44	INFO	MSTransformManager::open	Select data
2026-08-05 08:00:44	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:00:45	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:00:45	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 40.100000528deg' successfully parsed
2026-08-05 08:00:45	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:00:46	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:00:46	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:00:44.037475 End time: 2026-08-05 08:00:46.008071
2026-08-05 08:00:46	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:00:46	INFO	phaseshift::::casa	##########################################
2026-08-05 08:00:46	INFO	tclean::::casa	##########################################
2026-08-05 08:00:46	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:00:46	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:00:46	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:00:46	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:00:46	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:00:46	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:00:46	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:00:46	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:00:46	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:00:46	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:00:46	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:00:46	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:00:46	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:00:46	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:00:48	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:00:48	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025864
2026-08-05 08:00:48	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:00:48	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:00:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:00:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:00:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:00:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:00:49	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:00:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:00:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:00:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:00:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:00:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:00:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:00:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:00:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:00:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:00:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:00:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:00:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:00:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:00:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:00:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:00:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:00:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:00:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:00:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:00:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:00:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:00:55	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:00:55	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:00:55	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:00:55	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:00:56	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:00:57	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:00:46.065901 End time: 2026-08-05 08:00:56.686253
2026-08-05 08:00:57	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:00:57	INFO	tclean::::casa	##########################################
2026-08-05 08:00:57	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:00:57	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:00:57	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:00:57	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:00:57	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:00:57 2026******
2026-08-05 08:00:57	INFO	ImageFitter::fit+	
2026-08-05 08:00:57	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:00:57	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:00:57	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:00:57	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:00:57	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:00:57	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:00:57	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:00:57	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:00:57	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:00:57	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:00:57	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:00:57	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116876 Jy
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:00:57	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:00:57	INFO	imstat::::casa	##########################################
2026-08-05 08:00:57	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:00:57	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:00:57	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:00:57	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:00:57	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:00:57	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:00:57	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:00:57	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:00:57	INFO	imstat::::	Values --- 
2026-08-05 08:00:57	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:00:57	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:00:57	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:00:57	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-08-05 08:00:57	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:00:57	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:00:57	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:00:57	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-08-05 08:00:57	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:00:57	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:00:57	INFO	imstat::::	Statistics --- 
2026-08-05 08:00:57	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:00:57	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:00:57	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:00:57	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:00:57	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-08-05 08:00:57	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam
2026-08-05 08:00:57	INFO	imstat::::	        -- IQR [quartile]:                          3.56311e-05 Jy/beam
2026-08-05 08:00:57	INFO	imstat::::	        -- First quartile [q1]:                     -3.45119e-05 Jy/beam
2026-08-05 08:00:57	INFO	imstat::::	        -- Third quartile [q3]:                     1.11928e-06 Jy/beam
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:00:57	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.779537e-05  4.999996e+00
2026-08-05 08:00:57	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:00:56.759341 End time: 2026-08-05 08:00:56.804208
2026-08-05 08:00:57	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:00:57	INFO	imstat::::casa	##########################################
2026-08-05 08:00:57	INFO	phaseshift::::casa	##########################################
2026-08-05 08:00:57	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:00:57	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 0.699877039rad' )
2026-08-05 08:00:57	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:00:57	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:00:57	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:00:57	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:00:57	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:00:57	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:00:57	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:00:57	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:00:57	INFO	MSTransformManager::open	Select data
2026-08-05 08:00:57	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:00:58	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:00:58	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 0.699877039rad' successfully parsed
2026-08-05 08:00:58	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:00:59	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:00:59	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:00:56.820601 End time: 2026-08-05 08:00:58.958457
2026-08-05 08:00:59	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:00:59	INFO	phaseshift::::casa	##########################################
2026-08-05 08:00:59	INFO	tclean::::casa	##########################################
2026-08-05 08:00:59	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:00:59	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:00:59	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:00:59	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:00:59	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:00:59	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:00:59	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:00:59	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:00:59	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:00:59	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:00:59	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:00:59	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:00:59	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:00:59	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:01:00	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:01:00	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021888
2026-08-05 08:01:00	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:01:00	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:01:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:01:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:01:01	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:01:01	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:01:01	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:01:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:01:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:01:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:01:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:01:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:01:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:01:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:01:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:01:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:01:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:01:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:01:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:01:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:01:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:01:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:01:04	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:01:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:01:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:01:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:01:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:01:05	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:01:05	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:01:05	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:01:05	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:01:05	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:01:06	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:00:59.008333 End time: 2026-08-05 08:01:06.238967
2026-08-05 08:01:06	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:01:06	INFO	tclean::::casa	##########################################
2026-08-05 08:01:06	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:01:06	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:06	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:01:06	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:01:06	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:01:06 2026******
2026-08-05 08:01:06	INFO	ImageFitter::fit+	
2026-08-05 08:01:06	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:01:06	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:01:06	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:01:06	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:01:06	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:01:06	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:01:06	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:01:06	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:01:06	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:01:06	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:06	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:01:06	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:01:06	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:01:06	INFO	imstat::::casa	##########################################
2026-08-05 08:01:06	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:01:06	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:01:06	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:01:06	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:01:06	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:01:06	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:01:06	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:06	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:01:06	INFO	imstat::::	Values --- 
2026-08-05 08:01:06	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:01:06	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:01:06	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:01:06	INFO	imstat::::	         -- minimum value [min]:                    -7.77867e-05 Jy/beam
2026-08-05 08:01:06	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:01:06	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:01:06	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:01:06	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-08-05 08:01:06	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:01:06	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:01:06	INFO	imstat::::	Statistics --- 
2026-08-05 08:01:06	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:01:06	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:01:06	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:01:06	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:01:06	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86761e-05 Jy/beam
2026-08-05 08:01:06	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam
2026-08-05 08:01:06	INFO	imstat::::	        -- IQR [quartile]:                          3.56319e-05 Jy/beam
2026-08-05 08:01:06	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-08-05 08:01:06	INFO	imstat::::	        -- Third quartile [q3]:                     1.11659e-06 Jy/beam
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:01:06	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.778665e-05  4.999996e+00
2026-08-05 08:01:06	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:01:06.310688 End time: 2026-08-05 08:01:06.348883
2026-08-05 08:01:06	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:01:06	INFO	imstat::::casa	##########################################
2026-08-05 08:01:06	INFO	phaseshift::::casa	##########################################
2026-08-05 08:01:06	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:01:06	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40d06m0.0019' )
2026-08-05 08:01:06	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:01:06	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:01:06	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:01:06	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:01:06	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:01:06	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:01:06	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:01:06	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:01:06	INFO	MSTransformManager::open	Select data
2026-08-05 08:01:06	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:01:09	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:01:09	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 40d06m0.0019' successfully parsed
2026-08-05 08:01:09	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:01:10	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:01:10	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:01:06.368604 End time: 2026-08-05 08:01:09.611009
2026-08-05 08:01:10	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:01:10	INFO	phaseshift::::casa	##########################################
2026-08-05 08:01:10	INFO	tclean::::casa	##########################################
2026-08-05 08:01:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:01:10	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:01:10	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:01:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:01:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:01:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:01:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:01:10	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:01:10	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:01:10	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:01:10	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:01:10	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:01:10	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:01:10	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:01:10	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:01:11	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.017137
2026-08-05 08:01:11	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:01:11	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:01:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:01:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:01:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:01:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:01:12	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:01:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:01:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:01:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:01:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:01:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:01:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:01:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:01:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:01:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:01:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:01:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:01:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:01:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:01:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:01:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:01:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:01:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:01:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:01:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:01:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:01:15	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:01:15	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:01:15	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:01:16	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:01:16	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:01:17	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:01:09.661602 End time: 2026-08-05 08:01:16.531873
2026-08-05 08:01:17	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:01:17	INFO	tclean::::casa	##########################################
2026-08-05 08:01:17	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:01:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:17	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:01:17	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:01:17	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:01:17 2026******
2026-08-05 08:01:17	INFO	ImageFitter::fit+	
2026-08-05 08:01:17	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:01:17	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:01:17	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:01:17	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:01:17	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:01:17	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:01:17	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:01:17	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:01:17	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:01:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:17	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:01:17	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:01:17	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:01:17	INFO	imstat::::casa	##########################################
2026-08-05 08:01:17	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:01:17	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:01:17	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:01:17	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:01:17	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:01:17	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:01:17	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:17	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:01:17	INFO	imstat::::	Values --- 
2026-08-05 08:01:17	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:01:17	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:01:17	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:01:17	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-08-05 08:01:17	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:01:17	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:01:17	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:01:17	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-08-05 08:01:17	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:01:17	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:01:17	INFO	imstat::::	Statistics --- 
2026-08-05 08:01:17	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:01:17	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:01:17	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:01:17	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:01:17	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86712e-05 Jy/beam
2026-08-05 08:01:17	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam
2026-08-05 08:01:17	INFO	imstat::::	        -- IQR [quartile]:                          3.56293e-05 Jy/beam
2026-08-05 08:01:17	INFO	imstat::::	        -- First quartile [q1]:                     -3.45095e-05 Jy/beam
2026-08-05 08:01:17	INFO	imstat::::	        -- Third quartile [q3]:                     1.1198e-06 Jy/beam
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:01:17	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.779541e-05  4.999996e+00
2026-08-05 08:01:17	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:01:16.614350 End time: 2026-08-05 08:01:16.642690
2026-08-05 08:01:17	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:01:17	INFO	imstat::::casa	##########################################
2026-08-05 08:01:17	INFO	phaseshift::::casa	##########################################
2026-08-05 08:01:17	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:01:17	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 02:40:24.0001' )
2026-08-05 08:01:17	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:01:17	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:01:17	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:01:17	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:01:17	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:01:17	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:01:17	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:01:17	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:01:17	INFO	MSTransformManager::open	Select data
2026-08-05 08:01:17	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:01:20	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 08:01:20	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 02:40:24.0001' successfully parsed
2026-08-05 08:01:20	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:01:20	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:01:20	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:01:16.668990 End time: 2026-08-05 08:01:20.289131
2026-08-05 08:01:20	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:01:20	INFO	phaseshift::::casa	##########################################
2026-08-05 08:01:20	INFO	tclean::::casa	##########################################
2026-08-05 08:01:20	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:01:20	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:01:20	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:01:20	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:01:20	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:01:21	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:01:21	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:01:21	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:01:21	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:01:21	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:01:21	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:01:21	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:01:21	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:01:21	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:01:21	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:01:21	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.01823
2026-08-05 08:01:21	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:01:21	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:01:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:01:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:01:22	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:01:22	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:01:22	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:01:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:01:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:01:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:01:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:01:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:01:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:01:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:01:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:01:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:01:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:01:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:01:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:01:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:01:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:01:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:01:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:01:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:01:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:01:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:01:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:01:29	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:01:29	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:01:29	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:01:30	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:01:30	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:01:31	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:01:20.342565 End time: 2026-08-05 08:01:30.731105
2026-08-05 08:01:31	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:01:31	INFO	tclean::::casa	##########################################
2026-08-05 08:01:31	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:01:31	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:31	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:01:31	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:01:31	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:01:31 2026******
2026-08-05 08:01:31	INFO	ImageFitter::fit+	
2026-08-05 08:01:31	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:01:31	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:01:31	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:01:31	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:01:31	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:01:31	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:01:31	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:01:31	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:01:31	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:01:31	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:31	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996)
2026-08-05 08:01:31	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116891 Jy
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126504 Jy
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:01:31	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:01:31	INFO	imstat::::casa	##########################################
2026-08-05 08:01:31	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:01:31	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:01:31	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:01:31	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:01:31	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:01:31	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:01:31	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:31	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:01:31	INFO	imstat::::	Values --- 
2026-08-05 08:01:31	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:01:31	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:01:31	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:01:31	INFO	imstat::::	         -- minimum value [min]:                    -7.78094e-05 Jy/beam
2026-08-05 08:01:31	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:01:31	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 08:01:31	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:01:31	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-08-05 08:01:31	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:01:31	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:01:31	INFO	imstat::::	Statistics --- 
2026-08-05 08:01:31	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:01:31	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:01:31	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:01:31	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:01:31	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86846e-05 Jy/beam
2026-08-05 08:01:31	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam
2026-08-05 08:01:31	INFO	imstat::::	        -- IQR [quartile]:                          3.56505e-05 Jy/beam
2026-08-05 08:01:31	INFO	imstat::::	        -- First quartile [q1]:                     -3.45202e-05 Jy/beam
2026-08-05 08:01:31	INFO	imstat::::	        -- Third quartile [q3]:                     1.13024e-06 Jy/beam
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:01:31	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.780943e-05  4.999996e+00
2026-08-05 08:01:31	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:01:30.797285 End time: 2026-08-05 08:01:30.822492
2026-08-05 08:01:31	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:01:31	INFO	imstat::::casa	##########################################
2026-08-05 08:01:31	INFO	phaseshift::::casa	##########################################
2026-08-05 08:01:31	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:01:31	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40.100000528deg' )
2026-08-05 08:01:31	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:01:31	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:01:31	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:01:31	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:01:31	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:01:31	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:01:31	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:01:31	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:01:31	INFO	MSTransformManager::open	Select data
2026-08-05 08:01:31	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:01:33	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:01:33	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 40.100000528deg' successfully parsed
2026-08-05 08:01:33	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:01:33	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:01:33	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:01:30.838411 End time: 2026-08-05 08:01:33.365365
2026-08-05 08:01:33	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:01:33	INFO	phaseshift::::casa	##########################################
2026-08-05 08:01:33	INFO	tclean::::casa	##########################################
2026-08-05 08:01:33	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:01:33	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:01:33	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:01:33	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:01:33	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:01:34	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:01:34	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:01:34	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:01:34	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:01:34	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:01:34	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:01:34	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:01:34	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:01:34	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:01:34	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:01:34	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.017006
2026-08-05 08:01:34	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:01:34	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:01:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:01:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:01:35	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:01:35	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:01:35	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:01:35	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:01:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:01:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:01:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:01:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:01:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:01:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:01:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:01:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:01:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:01:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:01:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:01:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:01:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:01:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:01:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:01:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:01:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:01:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:01:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:01:39	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:01:39	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:01:39	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:01:39	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:01:39	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:01:40	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:01:33.400476 End time: 2026-08-05 08:01:40.188253
2026-08-05 08:01:40	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:01:40	INFO	tclean::::casa	##########################################
2026-08-05 08:01:40	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:01:40	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:40	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:01:40	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:01:40	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:01:40 2026******
2026-08-05 08:01:40	INFO	ImageFitter::fit+	
2026-08-05 08:01:40	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:01:40	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:01:40	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:01:40	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:01:40	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:01:40	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:01:40	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:01:40	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:01:40	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:01:40	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:40	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:01:40	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116876 Jy
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:01:40	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:01:40	INFO	imstat::::casa	##########################################
2026-08-05 08:01:40	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:01:40	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:01:40	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:01:40	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:01:40	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:01:40	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:01:40	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:40	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:01:40	INFO	imstat::::	Values --- 
2026-08-05 08:01:40	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:01:40	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:01:40	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:01:40	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-08-05 08:01:40	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:01:40	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:01:40	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:01:40	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-08-05 08:01:40	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:01:40	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:01:40	INFO	imstat::::	Statistics --- 
2026-08-05 08:01:40	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:01:40	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:01:40	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:01:40	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:01:40	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-08-05 08:01:40	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam
2026-08-05 08:01:40	INFO	imstat::::	        -- IQR [quartile]:                          3.56311e-05 Jy/beam
2026-08-05 08:01:40	INFO	imstat::::	        -- First quartile [q1]:                     -3.45119e-05 Jy/beam
2026-08-05 08:01:40	INFO	imstat::::	        -- Third quartile [q3]:                     1.11928e-06 Jy/beam
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:01:40	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.779537e-05  4.999996e+00
2026-08-05 08:01:40	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:01:40.259631 End time: 2026-08-05 08:01:40.286493
2026-08-05 08:01:40	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:01:40	INFO	imstat::::casa	##########################################
2026-08-05 08:01:40	INFO	phaseshift::::casa	##########################################
2026-08-05 08:01:40	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:01:40	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 0.699877039rad' )
2026-08-05 08:01:40	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:01:40	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:01:40	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:01:40	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:01:40	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:01:40	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:01:40	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:01:40	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:01:40	INFO	MSTransformManager::open	Select data
2026-08-05 08:01:40	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:01:42	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:01:42	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 0.699877039rad' successfully parsed
2026-08-05 08:01:42	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:01:42	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:01:42	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:01:40.303550 End time: 2026-08-05 08:01:42.468355
2026-08-05 08:01:42	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:01:42	INFO	phaseshift::::casa	##########################################
2026-08-05 08:01:43	INFO	tclean::::casa	##########################################
2026-08-05 08:01:43	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:01:43	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:01:43	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:01:43	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:01:43	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:01:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:01:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:01:43	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:01:43	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:01:43	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:01:43	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:01:43	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:01:43	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:01:43	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:01:43	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:01:43	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022488
2026-08-05 08:01:43	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:01:43	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:01:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:01:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:01:45	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:01:45	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:01:45	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:01:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:01:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:01:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:01:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:01:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:01:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:01:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:01:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:01:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:01:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:01:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:01:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:01:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:01:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:01:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:01:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:01:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:01:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:01:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:01:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:01:48	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:01:48	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:01:48	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:01:49	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:01:50	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:01:51	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:01:42.524149 End time: 2026-08-05 08:01:50.743623
2026-08-05 08:01:51	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:01:51	INFO	tclean::::casa	##########################################
2026-08-05 08:01:51	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:01:51	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:51	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:01:51	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:01:51	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:01:51 2026******
2026-08-05 08:01:51	INFO	ImageFitter::fit+	
2026-08-05 08:01:51	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:01:51	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:01:51	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:01:51	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:01:51	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:01:51	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:01:51	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:01:51	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:01:51	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:01:51	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:51	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:01:51	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:01:51	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:01:51	INFO	imstat::::casa	##########################################
2026-08-05 08:01:51	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:01:51	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:01:51	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:01:51	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:01:51	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:01:51	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:01:51	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:01:51	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:01:51	INFO	imstat::::	Values --- 
2026-08-05 08:01:51	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:01:51	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:01:51	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:01:51	INFO	imstat::::	         -- minimum value [min]:                    -7.77867e-05 Jy/beam
2026-08-05 08:01:51	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:01:51	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:01:51	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:01:51	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-08-05 08:01:51	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:01:51	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:01:51	INFO	imstat::::	Statistics --- 
2026-08-05 08:01:51	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:01:51	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:01:51	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:01:51	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:01:51	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86761e-05 Jy/beam
2026-08-05 08:01:51	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam
2026-08-05 08:01:51	INFO	imstat::::	        -- IQR [quartile]:                          3.56319e-05 Jy/beam
2026-08-05 08:01:51	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-08-05 08:01:51	INFO	imstat::::	        -- Third quartile [q3]:                     1.11659e-06 Jy/beam
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:01:51	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.778665e-05  4.999996e+00
2026-08-05 08:01:51	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:01:50.822766 End time: 2026-08-05 08:01:50.861387
2026-08-05 08:01:51	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:01:51	INFO	imstat::::casa	##########################################
2026-08-05 08:01:51	INFO	phaseshift::::casa	##########################################
2026-08-05 08:01:51	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:01:51	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 40d06m0.0019' )
2026-08-05 08:01:51	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:01:51	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:01:51	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:01:51	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:01:51	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:01:51	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:01:51	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:01:51	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:01:51	INFO	MSTransformManager::open	Select data
2026-08-05 08:01:51	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:01:53	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:01:53	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 40d06m0.0019' successfully parsed
2026-08-05 08:01:53	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:01:53	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:01:53	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:01:50.878032 End time: 2026-08-05 08:01:53.426693
2026-08-05 08:01:53	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:01:53	INFO	phaseshift::::casa	##########################################
2026-08-05 08:01:53	INFO	tclean::::casa	##########################################
2026-08-05 08:01:53	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:01:53	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:01:53	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:01:54	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:01:54	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:01:54	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:01:54	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:01:54	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:01:54	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:01:54	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:01:54	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:01:54	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:01:54	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:01:54	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:01:54	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:01:54	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025469
2026-08-05 08:01:54	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:01:54	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:01:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:01:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:01:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:01:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:01:55	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:01:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:01:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:01:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:01:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:01:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:01:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:01:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:01:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:01:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:01:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:01:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:01:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:01:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:01:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:01:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:02:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:02:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:02:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:02:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:02:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:02:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:02:01	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:02:01	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:02:01	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:02:01	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:02:01	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:02:02	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:01:53.487074 End time: 2026-08-05 08:02:02.050296
2026-08-05 08:02:02	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:02:02	INFO	tclean::::casa	##########################################
2026-08-05 08:02:02	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:02:02	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:02	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:02:02	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:02:02	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:02:02 2026******
2026-08-05 08:02:02	INFO	ImageFitter::fit+	
2026-08-05 08:02:02	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:02:02	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:02:02	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:02:02	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:02:02	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:02:02	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:02:02	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:02:02	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:02:02	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:02:02	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:02	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:02:02	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:02:02	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:02:02	INFO	imstat::::casa	##########################################
2026-08-05 08:02:02	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:02:02	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:02:02	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:02:02	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:02:02	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:02:02	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:02:02	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:02	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:02:02	INFO	imstat::::	Values --- 
2026-08-05 08:02:02	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:02:02	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:02:02	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:02:02	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-08-05 08:02:02	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:02:02	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:02:02	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:02:02	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-08-05 08:02:02	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:02:02	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:02:02	INFO	imstat::::	Statistics --- 
2026-08-05 08:02:02	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:02:02	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:02:02	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:02:02	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:02:02	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86712e-05 Jy/beam
2026-08-05 08:02:02	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam
2026-08-05 08:02:02	INFO	imstat::::	        -- IQR [quartile]:                          3.56293e-05 Jy/beam
2026-08-05 08:02:02	INFO	imstat::::	        -- First quartile [q1]:                     -3.45095e-05 Jy/beam
2026-08-05 08:02:02	INFO	imstat::::	        -- Third quartile [q3]:                     1.1198e-06 Jy/beam
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:02:02	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.779541e-05  4.999996e+00
2026-08-05 08:02:02	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:02:02.124947 End time: 2026-08-05 08:02:02.157920
2026-08-05 08:02:02	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:02:02	INFO	imstat::::casa	##########################################
2026-08-05 08:02:02	INFO	phaseshift::::casa	##########################################
2026-08-05 08:02:02	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:02:02	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 02:40:24.0001' )
2026-08-05 08:02:02	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:02:02	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:02:02	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:02:02	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:02:02	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:02:02	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:02:02	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:02:02	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:02:02	INFO	MSTransformManager::open	Select data
2026-08-05 08:02:02	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:02:06	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 08:02:06	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 02:40:24.0001' successfully parsed
2026-08-05 08:02:06	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:02:07	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:02:07	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:02:02.174272 End time: 2026-08-05 08:02:06.774947
2026-08-05 08:02:07	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:02:07	INFO	phaseshift::::casa	##########################################
2026-08-05 08:02:07	INFO	tclean::::casa	##########################################
2026-08-05 08:02:07	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:02:07	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:02:07	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:02:07	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:02:07	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:02:07	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:02:07	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:02:07	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:02:07	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:02:07	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:02:07	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:02:07	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:02:07	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:02:07	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:02:08	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:02:08	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023613
2026-08-05 08:02:08	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:02:08	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:02:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:02:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:02:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:02:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:02:09	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:02:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:02:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:02:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:02:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:02:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:02:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:02:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:02:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:02:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:02:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:02:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:02:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:02:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:02:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:02:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:02:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:02:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:02:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:02:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:02:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:02:12	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:02:12	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:02:12	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:02:13	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:02:13	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:02:13	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:02:06.829871 End time: 2026-08-05 08:02:13.494569
2026-08-05 08:02:13	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:02:13	INFO	tclean::::casa	##########################################
2026-08-05 08:02:14	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:02:14	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:14	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:02:14	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:02:14	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:02:14 2026******
2026-08-05 08:02:14	INFO	ImageFitter::fit+	
2026-08-05 08:02:14	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:02:14	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:02:14	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:02:14	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:02:14	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:02:14	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:02:14	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:02:14	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:02:14	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:02:14	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:14	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996)
2026-08-05 08:02:14	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116891 Jy
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126504 Jy
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:02:14	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:02:14	INFO	imstat::::casa	##########################################
2026-08-05 08:02:14	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:02:14	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:02:14	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:02:14	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:02:14	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:02:14	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:02:14	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:14	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:02:14	INFO	imstat::::	Values --- 
2026-08-05 08:02:14	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:02:14	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:02:14	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:02:14	INFO	imstat::::	         -- minimum value [min]:                    -7.78094e-05 Jy/beam
2026-08-05 08:02:14	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:02:14	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 08:02:14	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:02:14	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-08-05 08:02:14	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:02:14	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:02:14	INFO	imstat::::	Statistics --- 
2026-08-05 08:02:14	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:02:14	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:02:14	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:02:14	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:02:14	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86846e-05 Jy/beam
2026-08-05 08:02:14	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam
2026-08-05 08:02:14	INFO	imstat::::	        -- IQR [quartile]:                          3.56505e-05 Jy/beam
2026-08-05 08:02:14	INFO	imstat::::	        -- First quartile [q1]:                     -3.45202e-05 Jy/beam
2026-08-05 08:02:14	INFO	imstat::::	        -- Third quartile [q3]:                     1.13024e-06 Jy/beam
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:02:14	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.780943e-05  4.999996e+00
2026-08-05 08:02:14	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:02:13.569728 End time: 2026-08-05 08:02:13.596455
2026-08-05 08:02:14	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:02:14	INFO	imstat::::casa	##########################################
2026-08-05 08:02:14	INFO	phaseshift::::casa	##########################################
2026-08-05 08:02:14	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:02:14	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 40.100000528deg' )
2026-08-05 08:02:14	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:02:14	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:02:14	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:02:14	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:02:14	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:02:14	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:02:14	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:02:14	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:02:14	INFO	MSTransformManager::open	Select data
2026-08-05 08:02:14	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:02:15	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:02:15	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 40.100000528deg' successfully parsed
2026-08-05 08:02:15	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:02:16	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:02:16	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:02:13.613672 End time: 2026-08-05 08:02:15.916556
2026-08-05 08:02:16	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:02:16	INFO	phaseshift::::casa	##########################################
2026-08-05 08:02:16	INFO	tclean::::casa	##########################################
2026-08-05 08:02:16	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:02:16	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:02:16	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:02:16	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:02:16	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:02:16	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:02:16	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:02:16	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:02:16	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:02:16	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:02:16	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:02:16	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:02:16	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:02:16	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:02:17	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:02:17	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023897
2026-08-05 08:02:17	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:02:17	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:02:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:02:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:02:18	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:02:18	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:02:18	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:02:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:02:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:02:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:02:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:02:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:02:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:02:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:02:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:02:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:02:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:02:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:02:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:02:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:02:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:02:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:02:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:02:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:02:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:02:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:02:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:02:22	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:02:22	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:02:22	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:02:22	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:02:22	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:02:23	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:02:15.965692 End time: 2026-08-05 08:02:23.075781
2026-08-05 08:02:23	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:02:23	INFO	tclean::::casa	##########################################
2026-08-05 08:02:23	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:02:23	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:23	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:02:23	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:02:23	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:02:23 2026******
2026-08-05 08:02:23	INFO	ImageFitter::fit+	
2026-08-05 08:02:23	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:02:23	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:02:23	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:02:23	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:02:23	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:02:23	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:02:23	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:02:23	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:02:23	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:02:23	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:23	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:02:23	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116876 Jy
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:02:23	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:02:23	INFO	imstat::::casa	##########################################
2026-08-05 08:02:23	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:02:23	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:02:23	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:02:23	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:02:23	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:02:23	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:02:23	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:23	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:02:23	INFO	imstat::::	Values --- 
2026-08-05 08:02:23	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:02:23	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:02:23	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:02:23	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-08-05 08:02:23	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:02:23	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:02:23	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:02:23	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-08-05 08:02:23	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:02:23	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:02:23	INFO	imstat::::	Statistics --- 
2026-08-05 08:02:23	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:02:23	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:02:23	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:02:23	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:02:23	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-08-05 08:02:23	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam
2026-08-05 08:02:23	INFO	imstat::::	        -- IQR [quartile]:                          3.56311e-05 Jy/beam
2026-08-05 08:02:23	INFO	imstat::::	        -- First quartile [q1]:                     -3.45119e-05 Jy/beam
2026-08-05 08:02:23	INFO	imstat::::	        -- Third quartile [q3]:                     1.11928e-06 Jy/beam
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:02:23	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.779537e-05  4.999996e+00
2026-08-05 08:02:23	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:02:23.139699 End time: 2026-08-05 08:02:23.164355
2026-08-05 08:02:23	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:02:23	INFO	imstat::::casa	##########################################
2026-08-05 08:02:23	INFO	phaseshift::::casa	##########################################
2026-08-05 08:02:23	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:02:23	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 0.699877039rad' )
2026-08-05 08:02:23	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:02:23	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:02:23	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:02:23	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:02:23	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:02:23	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:02:23	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:02:23	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:02:23	INFO	MSTransformManager::open	Select data
2026-08-05 08:02:23	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:02:25	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:02:25	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 0.699877039rad' successfully parsed
2026-08-05 08:02:25	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:02:25	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:02:25	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:02:23.180004 End time: 2026-08-05 08:02:25.358442
2026-08-05 08:02:25	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:02:25	INFO	phaseshift::::casa	##########################################
2026-08-05 08:02:25	INFO	tclean::::casa	##########################################
2026-08-05 08:02:25	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:02:25	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:02:25	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:02:25	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:02:25	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:02:26	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:02:26	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:02:26	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:02:26	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:02:26	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:02:26	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:02:26	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:02:26	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:02:26	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:02:27	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:02:27	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024048
2026-08-05 08:02:27	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:02:27	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:02:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:02:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:02:28	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:02:28	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:02:28	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:02:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:02:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:02:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:02:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:02:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:02:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:02:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:02:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:02:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:02:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:02:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:02:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:02:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:02:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:02:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:02:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:02:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:02:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:02:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:02:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:02:32	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:02:32	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:02:32	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:02:33	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:02:33	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:02:34	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:02:25.416813 End time: 2026-08-05 08:02:33.698279
2026-08-05 08:02:34	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:02:34	INFO	tclean::::casa	##########################################
2026-08-05 08:02:34	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:02:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:34	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:02:34	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:02:34	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:02:34 2026******
2026-08-05 08:02:34	INFO	ImageFitter::fit+	
2026-08-05 08:02:34	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:02:34	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:02:34	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:02:34	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:02:34	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:02:34	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:02:34	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:02:34	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:02:34	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:02:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:34	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:02:34	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:02:34	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:02:34	INFO	imstat::::casa	##########################################
2026-08-05 08:02:34	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:02:34	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:02:34	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:02:34	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:02:34	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:02:34	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:02:34	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:34	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:02:34	INFO	imstat::::	Values --- 
2026-08-05 08:02:34	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:02:34	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:02:34	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:02:34	INFO	imstat::::	         -- minimum value [min]:                    -7.77867e-05 Jy/beam
2026-08-05 08:02:34	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:02:34	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:02:34	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:02:34	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-08-05 08:02:34	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:02:34	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:02:34	INFO	imstat::::	Statistics --- 
2026-08-05 08:02:34	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:02:34	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:02:34	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:02:34	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:02:34	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86761e-05 Jy/beam
2026-08-05 08:02:34	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam
2026-08-05 08:02:34	INFO	imstat::::	        -- IQR [quartile]:                          3.56319e-05 Jy/beam
2026-08-05 08:02:34	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-08-05 08:02:34	INFO	imstat::::	        -- Third quartile [q3]:                     1.11659e-06 Jy/beam
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:02:34	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.778665e-05  4.999996e+00
2026-08-05 08:02:34	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:02:33.762069 End time: 2026-08-05 08:02:33.803386
2026-08-05 08:02:34	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:02:34	INFO	imstat::::casa	##########################################
2026-08-05 08:02:34	INFO	phaseshift::::casa	##########################################
2026-08-05 08:02:34	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:02:34	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 40d06m0.0019' )
2026-08-05 08:02:34	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:02:34	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:02:34	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:02:34	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:02:34	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:02:34	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:02:34	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:02:34	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:02:34	INFO	MSTransformManager::open	Select data
2026-08-05 08:02:34	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:02:37	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:02:37	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 40d06m0.0019' successfully parsed
2026-08-05 08:02:37	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:02:38	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:02:38	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:02:33.828037 End time: 2026-08-05 08:02:37.929438
2026-08-05 08:02:38	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:02:38	INFO	phaseshift::::casa	##########################################
2026-08-05 08:02:38	INFO	tclean::::casa	##########################################
2026-08-05 08:02:38	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:02:38	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:02:38	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:02:38	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:02:38	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:02:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:02:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:02:38	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:02:38	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:02:38	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:02:38	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:02:38	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:02:38	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:02:38	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:02:39	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:02:39	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023706
2026-08-05 08:02:39	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:02:39	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:02:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:02:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:02:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:02:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:02:40	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:02:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:02:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:02:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:02:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:02:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:02:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:02:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:02:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:02:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:02:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:02:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:02:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:02:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:02:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:02:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:02:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:02:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:02:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:02:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:02:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:02:44	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:02:44	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:02:44	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:02:44	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:02:44	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:02:45	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:02:37.979393 End time: 2026-08-05 08:02:45.145380
2026-08-05 08:02:45	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:02:45	INFO	tclean::::casa	##########################################
2026-08-05 08:02:45	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:02:45	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:45	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:02:45	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:02:45	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:02:45 2026******
2026-08-05 08:02:45	INFO	ImageFitter::fit+	
2026-08-05 08:02:45	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:02:45	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:02:45	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:02:45	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:02:45	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:02:45	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:02:45	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:02:45	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:02:45	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:02:45	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:45	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:02:45	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116878 Jy
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126494 Jy
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:02:45	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:02:45	INFO	imstat::::casa	##########################################
2026-08-05 08:02:45	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:02:45	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:02:45	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:02:45	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:02:45	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:02:45	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:02:45	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:45	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:02:45	INFO	imstat::::	Values --- 
2026-08-05 08:02:45	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:02:45	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:02:45	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:02:45	INFO	imstat::::	         -- minimum value [min]:                    -7.77984e-05 Jy/beam
2026-08-05 08:02:45	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:02:45	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:02:45	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:02:45	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-08-05 08:02:45	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:02:45	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:02:45	INFO	imstat::::	Statistics --- 
2026-08-05 08:02:45	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:02:45	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:02:45	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:02:45	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:02:45	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86704e-05 Jy/beam
2026-08-05 08:02:45	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7365e-05 Jy/beam
2026-08-05 08:02:45	INFO	imstat::::	        -- IQR [quartile]:                          3.56348e-05 Jy/beam
2026-08-05 08:02:45	INFO	imstat::::	        -- First quartile [q1]:                     -3.45131e-05 Jy/beam
2026-08-05 08:02:45	INFO	imstat::::	        -- Third quartile [q3]:                     1.12172e-06 Jy/beam
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:02:45	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085647e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.779843e-05  4.999996e+00
2026-08-05 08:02:45	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:02:45.228444 End time: 2026-08-05 08:02:45.256974
2026-08-05 08:02:45	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:02:45	INFO	imstat::::casa	##########################################
2026-08-05 08:02:45	INFO	phaseshift::::casa	##########################################
2026-08-05 08:02:45	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:02:45	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 02:40:24.0001' )
2026-08-05 08:02:45	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:02:45	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:02:45	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:02:45	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:02:45	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:02:45	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:02:45	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:02:45	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:02:45	INFO	MSTransformManager::open	Select data
2026-08-05 08:02:45	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:02:47	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 08:02:47	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 02:40:24.0001' successfully parsed
2026-08-05 08:02:47	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:02:48	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:02:48	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:02:45.274537 End time: 2026-08-05 08:02:47.682609
2026-08-05 08:02:48	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:02:48	INFO	phaseshift::::casa	##########################################
2026-08-05 08:02:48	INFO	tclean::::casa	##########################################
2026-08-05 08:02:48	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:02:48	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:02:48	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:02:48	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:02:48	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:02:48	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:02:48	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:02:48	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:02:48	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:02:48	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:02:48	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:02:48	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:02:48	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:02:48	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:02:49	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:02:49	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020551
2026-08-05 08:02:49	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:02:49	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:02:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:02:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:02:50	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:02:50	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:02:50	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:02:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:02:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:02:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:02:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:02:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:02:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:02:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:02:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:02:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:02:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:02:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:02:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:02:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:02:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:02:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:02:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:02:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:02:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:02:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:02:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:02:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:02:55	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:02:55	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:02:55	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:02:56	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:02:57	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:02:57	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:02:47.737834 End time: 2026-08-05 08:02:57.406844
2026-08-05 08:02:57	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:02:57	INFO	tclean::::casa	##########################################
2026-08-05 08:02:57	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:02:57	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:57	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:02:57	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:02:57	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:02:57 2026******
2026-08-05 08:02:57	INFO	ImageFitter::fit+	
2026-08-05 08:02:57	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:02:57	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:02:57	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:02:57	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:02:57	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:02:57	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:02:57	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:02:57	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:02:57	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:02:57	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:57	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996)
2026-08-05 08:02:57	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116894 Jy
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126508 Jy
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:02:57	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:02:57	INFO	imstat::::casa	##########################################
2026-08-05 08:02:57	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:02:57	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:02:57	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:02:57	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:02:57	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:02:57	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:02:57	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:02:57	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:02:57	INFO	imstat::::	Values --- 
2026-08-05 08:02:57	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:02:57	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:02:57	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:02:57	INFO	imstat::::	         -- minimum value [min]:                    -7.78076e-05 Jy/beam
2026-08-05 08:02:57	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:02:57	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 08:02:57	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:02:57	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-08-05 08:02:57	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:02:57	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:02:57	INFO	imstat::::	Statistics --- 
2026-08-05 08:02:57	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:02:57	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:02:57	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:02:57	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:02:57	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86848e-05 Jy/beam
2026-08-05 08:02:57	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73951e-05 Jy/beam
2026-08-05 08:02:57	INFO	imstat::::	        -- IQR [quartile]:                          3.56676e-05 Jy/beam
2026-08-05 08:02:57	INFO	imstat::::	        -- First quartile [q1]:                     -3.45186e-05 Jy/beam
2026-08-05 08:02:57	INFO	imstat::::	        -- Third quartile [q3]:                     1.14894e-06 Jy/beam
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:02:57	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.780757e-05  4.999996e+00
2026-08-05 08:02:58	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:02:57.475687 End time: 2026-08-05 08:02:57.501248
2026-08-05 08:02:58	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:02:58	INFO	imstat::::casa	##########################################
2026-08-05 08:02:58	INFO	phaseshift::::casa	##########################################
2026-08-05 08:02:58	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:02:58	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 40.100000528deg' )
2026-08-05 08:02:58	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:02:58	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:02:58	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:02:58	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:02:58	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:02:58	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:02:58	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:02:58	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:02:58	INFO	MSTransformManager::open	Select data
2026-08-05 08:02:58	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:02:59	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:02:59	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 40.100000528deg' successfully parsed
2026-08-05 08:02:59	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:03:00	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:03:00	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:02:57.517430 End time: 2026-08-05 08:02:59.776161
2026-08-05 08:03:00	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:03:00	INFO	phaseshift::::casa	##########################################
2026-08-05 08:03:00	INFO	tclean::::casa	##########################################
2026-08-05 08:03:00	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:03:00	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:03:00	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:03:00	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:03:00	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:03:00	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:03:00	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:03:00	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:03:00	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:03:00	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:03:00	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:03:00	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:03:00	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:03:00	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:03:02	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:03:02	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.016742
2026-08-05 08:03:02	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:03:02	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:03:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:03:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:03:05	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:03:06	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:03:06	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:03:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:03:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:03:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:03:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:03:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:03:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:03:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:03:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:03:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:03:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:03:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:03:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:03:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:03:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:03:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:03:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:03:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:03:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:03:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:03:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:03:09	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:03:09	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:03:09	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:03:10	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:03:10	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:03:11	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:02:59.835580 End time: 2026-08-05 08:03:10.859271
2026-08-05 08:03:11	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:03:11	INFO	tclean::::casa	##########################################
2026-08-05 08:03:11	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:03:11	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:11	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:03:11	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:03:11	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:03:11 2026******
2026-08-05 08:03:11	INFO	ImageFitter::fit+	
2026-08-05 08:03:11	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:03:11	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:03:11	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:03:11	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:03:11	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:03:11	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:03:11	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:03:11	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:03:11	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:03:11	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:11	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:03:11	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116882 Jy
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126496 Jy
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:03:11	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:03:11	INFO	imstat::::casa	##########################################
2026-08-05 08:03:11	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:03:11	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:03:11	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:03:11	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:03:11	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:03:11	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:03:11	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:11	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:03:11	INFO	imstat::::	Values --- 
2026-08-05 08:03:11	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:03:11	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:03:11	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:03:11	INFO	imstat::::	         -- minimum value [min]:                    -7.77982e-05 Jy/beam
2026-08-05 08:03:11	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:03:11	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:03:11	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:03:11	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-08-05 08:03:11	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:03:11	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:03:11	INFO	imstat::::	Statistics --- 
2026-08-05 08:03:11	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:03:11	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:03:11	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:03:11	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:03:11	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86711e-05 Jy/beam
2026-08-05 08:03:11	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73646e-05 Jy/beam
2026-08-05 08:03:11	INFO	imstat::::	        -- IQR [quartile]:                          3.56367e-05 Jy/beam
2026-08-05 08:03:11	INFO	imstat::::	        -- First quartile [q1]:                     -3.45138e-05 Jy/beam
2026-08-05 08:03:11	INFO	imstat::::	        -- Third quartile [q3]:                     1.12291e-06 Jy/beam
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:03:11	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085647e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.779823e-05  4.999996e+00
2026-08-05 08:03:11	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:03:10.935167 End time: 2026-08-05 08:03:10.961956
2026-08-05 08:03:11	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:03:11	INFO	imstat::::casa	##########################################
2026-08-05 08:03:11	INFO	phaseshift::::casa	##########################################
2026-08-05 08:03:11	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:03:11	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 0.699877039rad' )
2026-08-05 08:03:11	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:03:11	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:03:11	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:03:11	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:03:11	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:03:11	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:03:11	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:03:11	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:03:11	INFO	MSTransformManager::open	Select data
2026-08-05 08:03:11	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:03:12	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:03:12	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 0.699877039rad' successfully parsed
2026-08-05 08:03:12	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:03:13	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:03:13	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:03:10.978915 End time: 2026-08-05 08:03:13.119299
2026-08-05 08:03:13	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:03:13	INFO	phaseshift::::casa	##########################################
2026-08-05 08:03:13	INFO	tclean::::casa	##########################################
2026-08-05 08:03:13	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:03:13	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:03:13	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:03:13	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:03:13	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:03:13	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:03:13	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:03:13	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:03:13	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:03:13	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:03:13	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:03:13	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:03:13	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:03:13	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:03:14	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:03:14	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025292
2026-08-05 08:03:14	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:03:14	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:03:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:03:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:03:15	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:03:15	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:03:15	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:03:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:03:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:03:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:03:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:03:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:03:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:03:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:03:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:03:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:03:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:03:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374443277716637, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:03:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:03:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:03:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:03:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:03:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852561634033918, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:03:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:03:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:03:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:03:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:03:19	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:03:19	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:03:19	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:03:19	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:03:19	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:03:20	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:03:13.178815 End time: 2026-08-05 08:03:19.849385
2026-08-05 08:03:20	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:03:20	INFO	tclean::::casa	##########################################
2026-08-05 08:03:20	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:03:20	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:20	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:03:20	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:03:20	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:03:20 2026******
2026-08-05 08:03:20	INFO	ImageFitter::fit+	
2026-08-05 08:03:20	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:03:20	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:03:20	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:03:20	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:03:20	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:03:20	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:03:20	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:03:20	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:03:20	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:03:20	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:20	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:03:20	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116879 Jy
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126495 Jy
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:03:20	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:03:20	INFO	imstat::::casa	##########################################
2026-08-05 08:03:20	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:03:20	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:03:20	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:03:20	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:03:20	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:03:20	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:03:20	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:20	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:03:20	INFO	imstat::::	Values --- 
2026-08-05 08:03:20	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:03:20	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:03:20	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:03:20	INFO	imstat::::	         -- minimum value [min]:                    -7.77898e-05 Jy/beam
2026-08-05 08:03:20	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:03:20	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:03:20	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:03:20	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-08-05 08:03:20	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:03:20	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:03:20	INFO	imstat::::	Statistics --- 
2026-08-05 08:03:20	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:03:20	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:03:20	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:03:20	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:03:20	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86769e-05 Jy/beam
2026-08-05 08:03:20	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73662e-05 Jy/beam
2026-08-05 08:03:20	INFO	imstat::::	        -- IQR [quartile]:                          3.5634e-05 Jy/beam
2026-08-05 08:03:20	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-08-05 08:03:20	INFO	imstat::::	        -- Third quartile [q3]:                     1.1187e-06 Jy/beam
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:03:20	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.778978e-05  4.999996e+00
2026-08-05 08:03:20	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:03:19.934994 End time: 2026-08-05 08:03:19.963863
2026-08-05 08:03:20	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:03:20	INFO	imstat::::casa	##########################################
2026-08-05 08:03:20	INFO	phaseshift::::casa	##########################################
2026-08-05 08:03:20	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:03:20	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 +006d21m09.7433' )
2026-08-05 08:03:20	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:03:20	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:03:20	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:03:20	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:03:20	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:03:20	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:03:20	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:03:20	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:03:20	INFO	MSTransformManager::open	Select data
2026-08-05 08:03:20	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:03:21	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:03:21	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 +006d21m09.7433' successfully parsed
2026-08-05 08:03:21	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:03:22	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:03:22	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:03:19.982606 End time: 2026-08-05 08:03:22.187153
2026-08-05 08:03:22	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:03:22	INFO	phaseshift::::casa	##########################################
2026-08-05 08:03:22	INFO	tclean::::casa	##########################################
2026-08-05 08:03:22	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:03:22	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:03:22	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:03:22	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:03:22	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:03:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:03:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:03:22	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:03:22	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:03:22	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:03:22	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:03:22	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:03:22	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:03:22	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:03:23	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:03:23	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.019785
2026-08-05 08:03:23	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:03:23	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:03:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:03:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:03:24	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:03:24	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:03:24	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:03:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:03:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:03:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:03:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:03:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:03:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:03:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:03:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:03:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:03:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:03:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:03:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:03:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:03:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:03:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:03:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:03:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:03:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:03:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:03:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:03:29	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:03:29	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:03:29	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:03:29	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:03:30	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:03:30	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:03:22.240102 End time: 2026-08-05 08:03:30.355092
2026-08-05 08:03:30	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:03:30	INFO	tclean::::casa	##########################################
2026-08-05 08:03:30	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:03:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:30	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:03:30	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:03:30	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:03:30 2026******
2026-08-05 08:03:30	INFO	ImageFitter::fit+	
2026-08-05 08:03:30	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:03:30	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:03:30	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:03:30	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:03:30	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:03:30	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:03:30	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:03:30	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:03:30	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:03:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:30	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:03:30	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:03:30	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:03:30	INFO	imstat::::casa	##########################################
2026-08-05 08:03:30	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:03:30	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:03:30	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:03:30	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:03:30	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:03:30	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:03:30	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:30	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:03:30	INFO	imstat::::	Values --- 
2026-08-05 08:03:30	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:03:30	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:03:30	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:03:30	INFO	imstat::::	         -- minimum value [min]:                    -7.77795e-05 Jy/beam
2026-08-05 08:03:30	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:03:30	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:03:30	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:03:30	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:03:30	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:03:30	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:03:30	INFO	imstat::::	Statistics --- 
2026-08-05 08:03:30	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:03:30	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:03:30	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:03:30	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:03:30	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86702e-05 Jy/beam
2026-08-05 08:03:30	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam
2026-08-05 08:03:30	INFO	imstat::::	        -- IQR [quartile]:                          3.56029e-05 Jy/beam
2026-08-05 08:03:30	INFO	imstat::::	        -- First quartile [q1]:                     -3.45082e-05 Jy/beam
2026-08-05 08:03:30	INFO	imstat::::	        -- Third quartile [q3]:                     1.09472e-06 Jy/beam
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:03:30	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777946e-05  4.999996e+00
2026-08-05 08:03:30	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:03:30.428461 End time: 2026-08-05 08:03:30.462664
2026-08-05 08:03:30	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:03:30	INFO	imstat::::casa	##########################################
2026-08-05 08:03:30	INFO	phaseshift::::casa	##########################################
2026-08-05 08:03:30	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:03:30	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 00:25:24.6496' )
2026-08-05 08:03:31	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:03:31	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:03:31	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:03:31	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:03:31	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:03:31	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:03:31	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:03:31	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:03:31	INFO	MSTransformManager::open	Select data
2026-08-05 08:03:31	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:03:32	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 08:03:32	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 00:25:24.6496' successfully parsed
2026-08-05 08:03:32	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:03:33	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:03:33	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:03:30.488802 End time: 2026-08-05 08:03:32.847946
2026-08-05 08:03:33	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:03:33	INFO	phaseshift::::casa	##########################################
2026-08-05 08:03:33	INFO	tclean::::casa	##########################################
2026-08-05 08:03:33	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:03:33	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:03:33	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:03:33	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:03:33	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:03:33	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:03:33	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:03:33	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:03:33	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:03:33	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:03:33	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:03:33	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:03:33	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:03:33	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:03:34	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:03:34	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.014869
2026-08-05 08:03:34	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:03:34	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:03:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:03:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:03:35	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:03:35	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:03:35	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:03:35	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:03:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:03:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:03:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:03:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:03:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:03:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:03:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:03:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:03:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:03:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:03:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:03:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:03:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:03:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:03:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:03:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:03:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:03:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:03:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:03:40	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:03:40	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:03:40	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:03:40	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:03:41	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:03:42	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:03:32.881844 End time: 2026-08-05 08:03:41.907631
2026-08-05 08:03:42	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:03:42	INFO	tclean::::casa	##########################################
2026-08-05 08:03:42	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:03:42	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:42	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:03:42	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:03:42	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:03:42 2026******
2026-08-05 08:03:42	INFO	ImageFitter::fit+	
2026-08-05 08:03:42	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:03:42	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:03:42	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:03:42	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:03:42	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:03:42	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:03:42	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:03:42	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:03:42	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:03:42	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:42	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:03:42	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116907 Jy
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012652 Jy
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000038 +/- 0.000777 arcsec
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999939 +/- 0.000127 pixels
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999957 +/- 0.000097 pixels
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:03:42	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:03:42	INFO	imstat::::casa	##########################################
2026-08-05 08:03:42	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:03:42	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:03:42	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:03:42	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:03:42	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:03:42	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:03:42	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:42	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz)
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-08-05 08:03:42	INFO	imstat::::	Values --- 
2026-08-05 08:03:42	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:03:42	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:03:42	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:03:42	INFO	imstat::::	         -- minimum value [min]:                    -7.78732e-05 Jy/beam
2026-08-05 08:03:42	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:03:42	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:03:42	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:03:42	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:03:42	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:03:42	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:03:42	INFO	imstat::::	Statistics --- 
2026-08-05 08:03:42	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:03:42	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:03:42	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:03:42	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:03:42	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86516e-05 Jy/beam
2026-08-05 08:03:42	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam
2026-08-05 08:03:42	INFO	imstat::::	        -- IQR [quartile]:                          3.56959e-05 Jy/beam
2026-08-05 08:03:42	INFO	imstat::::	        -- First quartile [q1]:                     -3.45348e-05 Jy/beam
2026-08-05 08:03:42	INFO	imstat::::	        -- Third quartile [q3]:                     1.16101e-06 Jy/beam
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:03:42	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085647e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.787321e-05  4.999996e+00
2026-08-05 08:03:42	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:03:41.974406 End time: 2026-08-05 08:03:41.998978
2026-08-05 08:03:42	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:03:42	INFO	imstat::::casa	##########################################
2026-08-05 08:03:42	INFO	phaseshift::::casa	##########################################
2026-08-05 08:03:42	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:03:42	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 6.352706472deg' )
2026-08-05 08:03:42	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:03:42	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:03:42	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:03:42	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:03:42	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:03:42	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:03:42	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:03:42	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:03:42	INFO	MSTransformManager::open	Select data
2026-08-05 08:03:42	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:03:44	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:03:44	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 6.352706472deg' successfully parsed
2026-08-05 08:03:44	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:03:44	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:03:44	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:03:42.014826 End time: 2026-08-05 08:03:44.267048
2026-08-05 08:03:44	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:03:44	INFO	phaseshift::::casa	##########################################
2026-08-05 08:03:44	INFO	tclean::::casa	##########################################
2026-08-05 08:03:44	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:03:44	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:03:44	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:03:44	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:03:44	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:03:44	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:03:44	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:03:44	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:03:44	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:03:44	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:03:44	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:03:44	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:03:44	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:03:44	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:03:45	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:03:45	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025681
2026-08-05 08:03:45	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:03:45	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:03:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:03:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:03:46	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:03:46	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:03:46	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:03:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:03:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:03:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:03:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:03:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:03:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:03:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:03:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:03:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:03:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:03:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:03:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:03:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:03:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:03:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:03:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:03:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:03:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:03:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:03:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:03:52	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:03:52	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:03:52	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:03:53	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:03:53	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:03:54	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:03:44.317338 End time: 2026-08-05 08:03:53.610560
2026-08-05 08:03:54	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:03:54	INFO	tclean::::casa	##########################################
2026-08-05 08:03:54	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:03:54	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:54	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:03:54	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:03:54	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:03:54 2026******
2026-08-05 08:03:54	INFO	ImageFitter::fit+	
2026-08-05 08:03:54	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:03:54	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:03:54	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:03:54	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:03:54	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:03:54	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:03:54	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:03:54	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:03:54	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:03:54	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:54	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:03:54	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116872 Jy
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:03:54	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:03:54	INFO	imstat::::casa	##########################################
2026-08-05 08:03:54	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:03:54	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:03:54	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:03:54	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:03:54	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:03:54	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:03:54	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:03:54	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:03:54	INFO	imstat::::	Values --- 
2026-08-05 08:03:54	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:03:54	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:03:54	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:03:54	INFO	imstat::::	         -- minimum value [min]:                    -7.7777e-05 Jy/beam
2026-08-05 08:03:54	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:03:54	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:03:54	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:03:54	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:03:54	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:03:54	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:03:54	INFO	imstat::::	Statistics --- 
2026-08-05 08:03:54	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:03:54	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:03:54	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:03:54	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:03:54	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86705e-05 Jy/beam
2026-08-05 08:03:54	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam
2026-08-05 08:03:54	INFO	imstat::::	        -- IQR [quartile]:                          3.56027e-05 Jy/beam
2026-08-05 08:03:54	INFO	imstat::::	        -- First quartile [q1]:                     -3.45074e-05 Jy/beam
2026-08-05 08:03:54	INFO	imstat::::	        -- Third quartile [q3]:                     1.09529e-06 Jy/beam
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:03:54	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777703e-05  4.999996e+00
2026-08-05 08:03:54	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:03:53.682706 End time: 2026-08-05 08:03:53.707162
2026-08-05 08:03:54	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:03:54	INFO	imstat::::casa	##########################################
2026-08-05 08:03:54	INFO	phaseshift::::casa	##########################################
2026-08-05 08:03:54	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:03:54	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 0.110875644rad' )
2026-08-05 08:03:54	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:03:54	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:03:54	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:03:54	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:03:54	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:03:54	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:03:54	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:03:54	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:03:54	INFO	MSTransformManager::open	Select data
2026-08-05 08:03:54	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:03:55	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:03:55	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 0.110875644rad' successfully parsed
2026-08-05 08:03:55	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:03:56	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:03:56	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:03:53.723264 End time: 2026-08-05 08:03:56.499833
2026-08-05 08:03:57	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:03:57	INFO	phaseshift::::casa	##########################################
2026-08-05 08:03:57	INFO	tclean::::casa	##########################################
2026-08-05 08:03:57	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:03:57	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:03:57	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:03:57	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:03:57	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:03:57	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:03:57	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:03:57	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:03:57	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:03:57	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:03:57	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:03:57	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:03:57	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:03:57	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:03:58	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:03:58	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027833
2026-08-05 08:03:58	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:03:58	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:03:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:03:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:03:59	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:03:59	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:03:59	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:03:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:03:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:04:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:04:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:04:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:04:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:04:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:04:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:04:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:04:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:04:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:04:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:04:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:04:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:04:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:04:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:04:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:04:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:04:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:04:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:04:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:04:03	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:04:03	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:04:03	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:04:04	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:04:04	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:04:04	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:03:56.560143 End time: 2026-08-05 08:04:04.290689
2026-08-05 08:04:04	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:04:04	INFO	tclean::::casa	##########################################
2026-08-05 08:04:04	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:04:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:04	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:04:04	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:04:04	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:04:04 2026******
2026-08-05 08:04:04	INFO	ImageFitter::fit+	
2026-08-05 08:04:04	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:04:04	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:04:04	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:04:04	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:04:04	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:04:04	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:04:04	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:04:04	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:04:04	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:04:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:04	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:04:04	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000012 +/- 0.000127 pixels
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:04:04	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:04:04	INFO	imstat::::casa	##########################################
2026-08-05 08:04:04	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:04:04	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:04:04	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:04:04	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:04:04	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:04:04	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:04:04	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:04	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:04:04	INFO	imstat::::	Values --- 
2026-08-05 08:04:04	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:04:04	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:04:04	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:04:04	INFO	imstat::::	         -- minimum value [min]:                    -7.77849e-05 Jy/beam
2026-08-05 08:04:04	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:04:04	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 08:04:04	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:04:04	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-08-05 08:04:04	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:04:04	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:04:04	INFO	imstat::::	Statistics --- 
2026-08-05 08:04:04	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:04:04	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:04:04	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:04:04	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:04:04	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-08-05 08:04:04	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam
2026-08-05 08:04:04	INFO	imstat::::	        -- IQR [quartile]:                          3.56016e-05 Jy/beam
2026-08-05 08:04:04	INFO	imstat::::	        -- First quartile [q1]:                     -3.45087e-05 Jy/beam
2026-08-05 08:04:04	INFO	imstat::::	        -- Third quartile [q3]:                     1.0929e-06 Jy/beam
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:04:04	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778491e-05  4.999996e+00
2026-08-05 08:04:04	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:04:04.337779 End time: 2026-08-05 08:04:04.355076
2026-08-05 08:04:04	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:04:04	INFO	imstat::::casa	##########################################
2026-08-05 08:04:04	INFO	phaseshift::::casa	##########################################
2026-08-05 08:04:04	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:04:04	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 +006d21m09.7433' )
2026-08-05 08:04:04	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:04:04	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:04:04	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:04:04	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:04:04	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:04:04	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:04:04	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:04:04	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:04:04	INFO	MSTransformManager::open	Select data
2026-08-05 08:04:04	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:04:06	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:04:06	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 +006d21m09.7433' successfully parsed
2026-08-05 08:04:06	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:04:06	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:04:06	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:04:04.368358 End time: 2026-08-05 08:04:06.484563
2026-08-05 08:04:06	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:04:06	INFO	phaseshift::::casa	##########################################
2026-08-05 08:04:07	INFO	tclean::::casa	##########################################
2026-08-05 08:04:07	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:04:07	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:04:07	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:04:07	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:04:07	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:04:07	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:04:07	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:04:07	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:04:07	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:04:07	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:04:07	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:04:07	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:04:07	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:04:07	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:04:08	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:04:08	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023664
2026-08-05 08:04:08	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:04:08	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:04:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:04:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:04:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:04:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:04:09	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:04:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:04:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:04:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:04:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:04:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:04:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:04:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:04:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:04:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:04:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:04:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:04:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:04:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:04:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:04:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:04:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:04:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:04:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:04:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:04:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:04:14	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:04:14	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:04:14	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:04:14	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:04:15	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:04:16	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:04:06.543151 End time: 2026-08-05 08:04:15.563435
2026-08-05 08:04:16	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:04:16	INFO	tclean::::casa	##########################################
2026-08-05 08:04:16	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:04:16	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:16	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:04:16	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:04:16	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:04:16 2026******
2026-08-05 08:04:16	INFO	ImageFitter::fit+	
2026-08-05 08:04:16	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:04:16	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:04:16	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:04:16	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:04:16	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:04:16	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:04:16	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:04:16	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:04:16	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:04:16	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:16	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:04:16	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:04:16	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:04:16	INFO	imstat::::casa	##########################################
2026-08-05 08:04:16	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:04:16	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:04:16	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:04:16	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:04:16	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:04:16	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:04:16	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:16	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:04:16	INFO	imstat::::	Values --- 
2026-08-05 08:04:16	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:04:16	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:04:16	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:04:16	INFO	imstat::::	         -- minimum value [min]:                    -7.77795e-05 Jy/beam
2026-08-05 08:04:16	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:04:16	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:04:16	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:04:16	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:04:16	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:04:16	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:04:16	INFO	imstat::::	Statistics --- 
2026-08-05 08:04:16	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:04:16	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:04:16	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:04:16	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:04:16	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86702e-05 Jy/beam
2026-08-05 08:04:16	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam
2026-08-05 08:04:16	INFO	imstat::::	        -- IQR [quartile]:                          3.56029e-05 Jy/beam
2026-08-05 08:04:16	INFO	imstat::::	        -- First quartile [q1]:                     -3.45082e-05 Jy/beam
2026-08-05 08:04:16	INFO	imstat::::	        -- Third quartile [q3]:                     1.09472e-06 Jy/beam
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:04:16	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777946e-05  4.999996e+00
2026-08-05 08:04:16	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:04:15.633697 End time: 2026-08-05 08:04:15.664237
2026-08-05 08:04:16	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:04:16	INFO	imstat::::casa	##########################################
2026-08-05 08:04:16	INFO	phaseshift::::casa	##########################################
2026-08-05 08:04:16	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:04:16	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 00:25:24.6496' )
2026-08-05 08:04:16	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:04:16	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:04:16	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:04:16	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:04:16	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:04:16	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:04:16	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:04:16	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:04:16	INFO	MSTransformManager::open	Select data
2026-08-05 08:04:16	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:04:17	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 08:04:17	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 00:25:24.6496' successfully parsed
2026-08-05 08:04:17	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:04:18	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:04:18	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:04:15.698970 End time: 2026-08-05 08:04:17.890470
2026-08-05 08:04:18	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:04:18	INFO	phaseshift::::casa	##########################################
2026-08-05 08:04:18	INFO	tclean::::casa	##########################################
2026-08-05 08:04:18	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:04:18	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:04:18	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:04:18	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:04:18	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:04:18	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:04:18	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:04:18	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:04:18	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:04:18	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:04:18	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:04:18	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:04:18	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:04:18	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:04:19	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:04:19	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020536
2026-08-05 08:04:19	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:04:19	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:04:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:04:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:04:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:04:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:04:20	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:04:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:04:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:04:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:04:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:04:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:04:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:04:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:04:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:04:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:04:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:04:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:04:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:04:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:04:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:04:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:04:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:04:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:04:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:04:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:04:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:04:23	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:04:23	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:04:23	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:04:24	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:04:24	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:04:25	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:04:17.943004 End time: 2026-08-05 08:04:24.706867
2026-08-05 08:04:25	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:04:25	INFO	tclean::::casa	##########################################
2026-08-05 08:04:25	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:04:25	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:25	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:04:25	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:04:25	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:04:25 2026******
2026-08-05 08:04:25	INFO	ImageFitter::fit+	
2026-08-05 08:04:25	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:04:25	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:04:25	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:04:25	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:04:25	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:04:25	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:04:25	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:04:25	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:04:25	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:04:25	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:25	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:04:25	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116907 Jy
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012652 Jy
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000038 +/- 0.000777 arcsec
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999939 +/- 0.000127 pixels
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999957 +/- 0.000097 pixels
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:04:25	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:04:25	INFO	imstat::::casa	##########################################
2026-08-05 08:04:25	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:04:25	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:04:25	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:04:25	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:04:25	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:04:25	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:04:25	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:25	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz)
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-08-05 08:04:25	INFO	imstat::::	Values --- 
2026-08-05 08:04:25	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:04:25	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:04:25	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:04:25	INFO	imstat::::	         -- minimum value [min]:                    -7.78732e-05 Jy/beam
2026-08-05 08:04:25	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:04:25	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:04:25	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:04:25	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:04:25	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:04:25	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:04:25	INFO	imstat::::	Statistics --- 
2026-08-05 08:04:25	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:04:25	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:04:25	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:04:25	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:04:25	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86516e-05 Jy/beam
2026-08-05 08:04:25	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam
2026-08-05 08:04:25	INFO	imstat::::	        -- IQR [quartile]:                          3.56959e-05 Jy/beam
2026-08-05 08:04:25	INFO	imstat::::	        -- First quartile [q1]:                     -3.45348e-05 Jy/beam
2026-08-05 08:04:25	INFO	imstat::::	        -- Third quartile [q3]:                     1.16101e-06 Jy/beam
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:04:25	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085647e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.787321e-05  4.999996e+00
2026-08-05 08:04:25	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:04:24.781888 End time: 2026-08-05 08:04:24.809122
2026-08-05 08:04:25	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:04:25	INFO	imstat::::casa	##########################################
2026-08-05 08:04:25	INFO	phaseshift::::casa	##########################################
2026-08-05 08:04:25	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:04:25	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 6.352706472deg' )
2026-08-05 08:04:25	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:04:25	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:04:25	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:04:25	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:04:25	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:04:25	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:04:25	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:04:25	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:04:25	INFO	MSTransformManager::open	Select data
2026-08-05 08:04:25	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:04:27	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:04:27	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 6.352706472deg' successfully parsed
2026-08-05 08:04:27	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:04:27	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:04:27	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:04:24.827587 End time: 2026-08-05 08:04:27.424283
2026-08-05 08:04:27	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:04:27	INFO	phaseshift::::casa	##########################################
2026-08-05 08:04:27	INFO	tclean::::casa	##########################################
2026-08-05 08:04:27	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:04:27	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:04:27	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:04:27	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:04:27	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:04:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:04:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:04:28	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:04:28	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:04:28	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:04:28	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:04:28	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:04:28	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:04:28	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:04:28	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:04:28	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020797
2026-08-05 08:04:28	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:04:28	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:04:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:04:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:04:29	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:04:29	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:04:29	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:04:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:04:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:04:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:04:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:04:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:04:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:04:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:04:31	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:04:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:04:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:04:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:04:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:04:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:04:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:04:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:04:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:04:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:04:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:04:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:04:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:04:33	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:04:33	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:04:33	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:04:34	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:04:34	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:04:35	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:04:27.468413 End time: 2026-08-05 08:04:34.606733
2026-08-05 08:04:35	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:04:35	INFO	tclean::::casa	##########################################
2026-08-05 08:04:35	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:04:35	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:35	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:04:35	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:04:35	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:04:35 2026******
2026-08-05 08:04:35	INFO	ImageFitter::fit+	
2026-08-05 08:04:35	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:04:35	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:04:35	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:04:35	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:04:35	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:04:35	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:04:35	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:04:35	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:04:35	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:04:35	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:35	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:04:35	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116872 Jy
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:04:35	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:04:35	INFO	imstat::::casa	##########################################
2026-08-05 08:04:35	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:04:35	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:04:35	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:04:35	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:04:35	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:04:35	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:04:35	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:35	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:04:35	INFO	imstat::::	Values --- 
2026-08-05 08:04:35	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:04:35	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:04:35	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:04:35	INFO	imstat::::	         -- minimum value [min]:                    -7.7777e-05 Jy/beam
2026-08-05 08:04:35	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:04:35	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:04:35	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:04:35	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:04:35	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:04:35	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:04:35	INFO	imstat::::	Statistics --- 
2026-08-05 08:04:35	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:04:35	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:04:35	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:04:35	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:04:35	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86705e-05 Jy/beam
2026-08-05 08:04:35	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam
2026-08-05 08:04:35	INFO	imstat::::	        -- IQR [quartile]:                          3.56027e-05 Jy/beam
2026-08-05 08:04:35	INFO	imstat::::	        -- First quartile [q1]:                     -3.45074e-05 Jy/beam
2026-08-05 08:04:35	INFO	imstat::::	        -- Third quartile [q3]:                     1.09529e-06 Jy/beam
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:04:35	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777703e-05  4.999996e+00
2026-08-05 08:04:35	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:04:34.675694 End time: 2026-08-05 08:04:34.700531
2026-08-05 08:04:35	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:04:35	INFO	imstat::::casa	##########################################
2026-08-05 08:04:35	INFO	phaseshift::::casa	##########################################
2026-08-05 08:04:35	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:04:35	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 0.110875644rad' )
2026-08-05 08:04:35	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:04:35	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:04:35	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:04:35	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:04:35	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:04:35	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:04:35	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:04:35	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:04:35	INFO	MSTransformManager::open	Select data
2026-08-05 08:04:35	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:04:37	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:04:37	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 0.110875644rad' successfully parsed
2026-08-05 08:04:37	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:04:37	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:04:37	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:04:34.716778 End time: 2026-08-05 08:04:37.336877
2026-08-05 08:04:37	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:04:37	INFO	phaseshift::::casa	##########################################
2026-08-05 08:04:37	INFO	tclean::::casa	##########################################
2026-08-05 08:04:37	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:04:37	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:04:37	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:04:37	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:04:37	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:04:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:04:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:04:38	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:04:38	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:04:38	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:04:38	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:04:38	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:04:38	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:04:38	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:04:38	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:04:38	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.019492
2026-08-05 08:04:38	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:04:38	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:04:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:04:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:04:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:04:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:04:40	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:04:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:04:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:04:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:04:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:04:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:04:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:04:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:04:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:04:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:04:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:04:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:04:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:04:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:04:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:04:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:04:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:04:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:04:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:04:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:04:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:04:43	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:04:43	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:04:43	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:04:43	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:04:43	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:04:46	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:04:37.389954 End time: 2026-08-05 08:04:45.646332
2026-08-05 08:04:46	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:04:46	INFO	tclean::::casa	##########################################
2026-08-05 08:04:46	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:04:46	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:46	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:04:46	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:04:46	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:04:46 2026******
2026-08-05 08:04:46	INFO	ImageFitter::fit+	
2026-08-05 08:04:46	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:04:46	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:04:46	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:04:46	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:04:46	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:04:46	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:04:46	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:04:46	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:04:46	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:04:46	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:46	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:04:46	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000012 +/- 0.000127 pixels
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:04:46	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:04:46	INFO	imstat::::casa	##########################################
2026-08-05 08:04:46	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:04:46	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:04:46	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:04:46	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:04:46	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:04:46	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:04:46	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:04:46	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:04:46	INFO	imstat::::	Values --- 
2026-08-05 08:04:46	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:04:46	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:04:46	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:04:46	INFO	imstat::::	         -- minimum value [min]:                    -7.77849e-05 Jy/beam
2026-08-05 08:04:46	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:04:46	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 08:04:46	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:04:46	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-08-05 08:04:46	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:04:46	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:04:46	INFO	imstat::::	Statistics --- 
2026-08-05 08:04:46	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:04:46	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:04:46	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:04:46	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:04:46	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-08-05 08:04:46	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam
2026-08-05 08:04:46	INFO	imstat::::	        -- IQR [quartile]:                          3.56016e-05 Jy/beam
2026-08-05 08:04:46	INFO	imstat::::	        -- First quartile [q1]:                     -3.45087e-05 Jy/beam
2026-08-05 08:04:46	INFO	imstat::::	        -- Third quartile [q3]:                     1.0929e-06 Jy/beam
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:04:46	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778491e-05  4.999996e+00
2026-08-05 08:04:46	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:04:45.725009 End time: 2026-08-05 08:04:45.766474
2026-08-05 08:04:46	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:04:46	INFO	imstat::::casa	##########################################
2026-08-05 08:04:46	INFO	phaseshift::::casa	##########################################
2026-08-05 08:04:46	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:04:46	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg +006d21m09.7433' )
2026-08-05 08:04:46	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:04:46	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:04:46	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:04:46	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:04:46	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:04:46	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:04:46	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:04:46	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:04:46	INFO	MSTransformManager::open	Select data
2026-08-05 08:04:46	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:04:48	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:04:48	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg +006d21m09.7433' successfully parsed
2026-08-05 08:04:48	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:04:49	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:04:49	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:04:45.782252 End time: 2026-08-05 08:04:49.038428
2026-08-05 08:04:49	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:04:49	INFO	phaseshift::::casa	##########################################
2026-08-05 08:04:49	INFO	tclean::::casa	##########################################
2026-08-05 08:04:49	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:04:49	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:04:49	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:04:49	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:04:49	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:04:49	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:04:49	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:04:49	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:04:49	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:04:49	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:04:49	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:04:49	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:04:49	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:04:49	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:04:50	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:04:50	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024539
2026-08-05 08:04:50	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:04:50	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:04:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:04:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:04:52	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:04:52	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:04:52	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:04:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:04:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:04:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:04:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:04:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:04:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:04:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:04:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:04:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:04:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:04:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:04:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:04:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:04:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:04:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:04:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:04:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:04:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:04:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:04:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:04:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:04:58	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:04:58	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:04:58	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:04:58	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:04:58	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:05:00	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:04:49.094699 End time: 2026-08-05 08:04:59.682081
2026-08-05 08:05:00	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:05:00	INFO	tclean::::casa	##########################################
2026-08-05 08:05:00	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:05:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:00	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:05:00	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:05:00	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:05:00 2026******
2026-08-05 08:05:00	INFO	ImageFitter::fit+	
2026-08-05 08:05:00	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:05:00	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:05:00	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:05:00	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:05:00	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:05:00	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:05:00	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:05:00	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:05:00	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:05:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:00	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:05:00	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116867 Jy
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126483 Jy
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999996 +/- 0.000097 pixels
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:05:00	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:05:00	INFO	imstat::::casa	##########################################
2026-08-05 08:05:00	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:05:00	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:05:00	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:05:00	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:05:00	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:05:00	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:05:00	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:00	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:05:00	INFO	imstat::::	Values --- 
2026-08-05 08:05:00	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:05:00	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:05:00	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:05:00	INFO	imstat::::	         -- minimum value [min]:                    -7.77768e-05 Jy/beam
2026-08-05 08:05:00	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:05:00	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:05:00	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:05:00	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:05:00	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:05:00	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:05:00	INFO	imstat::::	Statistics --- 
2026-08-05 08:05:00	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:05:00	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:05:00	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:05:00	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:05:00	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86705e-05 Jy/beam
2026-08-05 08:05:00	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73609e-05 Jy/beam
2026-08-05 08:05:00	INFO	imstat::::	        -- IQR [quartile]:                          3.56013e-05 Jy/beam
2026-08-05 08:05:00	INFO	imstat::::	        -- First quartile [q1]:                     -3.4507e-05 Jy/beam
2026-08-05 08:05:00	INFO	imstat::::	        -- Third quartile [q3]:                     1.09435e-06 Jy/beam
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:05:00	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777678e-05  4.999996e+00
2026-08-05 08:05:00	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:04:59.755225 End time: 2026-08-05 08:04:59.797996
2026-08-05 08:05:00	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:05:00	INFO	imstat::::casa	##########################################
2026-08-05 08:05:00	INFO	phaseshift::::casa	##########################################
2026-08-05 08:05:00	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:05:00	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 00:25:24.6496' )
2026-08-05 08:05:00	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:05:00	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:05:00	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:05:00	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:05:00	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:05:00	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:05:00	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:05:00	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:05:00	INFO	MSTransformManager::open	Select data
2026-08-05 08:05:00	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:05:03	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 08:05:03	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg 00:25:24.6496' successfully parsed
2026-08-05 08:05:03	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:05:04	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:05:04	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:04:59.820273 End time: 2026-08-05 08:05:04.052403
2026-08-05 08:05:04	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:05:04	INFO	phaseshift::::casa	##########################################
2026-08-05 08:05:04	INFO	tclean::::casa	##########################################
2026-08-05 08:05:04	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:05:04	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:05:04	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:05:04	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:05:04	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:05:04	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:05:04	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:05:04	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:05:04	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:05:04	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:05:04	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:05:04	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:05:04	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:05:04	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:05:06	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:05:06	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024273
2026-08-05 08:05:06	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:05:06	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:05:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:05:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:05:08	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:05:08	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:05:08	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:05:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:05:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:05:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:05:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:05:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:05:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:05:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:05:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:05:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:05:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:05:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:05:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:05:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:05:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:05:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:05:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:05:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:05:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:05:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:05:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:05:16	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:05:16	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:05:16	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:05:18	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:05:19	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:05:22	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:05:04.094416 End time: 2026-08-05 08:05:21.815771
2026-08-05 08:05:22	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:05:22	INFO	tclean::::casa	##########################################
2026-08-05 08:05:22	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:05:22	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:22	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:05:22	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:05:22	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:05:22 2026******
2026-08-05 08:05:22	INFO	ImageFitter::fit+	
2026-08-05 08:05:22	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:05:22	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:05:22	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:05:22	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:05:22	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:05:22	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:05:22	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:05:22	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:05:22	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:05:22	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:22	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:05:22	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116903 Jy
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126517 Jy
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000038 +/- 0.000777 arcsec
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999939 +/- 0.000127 pixels
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999957 +/- 0.000097 pixels
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:05:22	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:05:22	INFO	imstat::::casa	##########################################
2026-08-05 08:05:22	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:05:22	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:05:22	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:05:22	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:05:22	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:05:22	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:05:22	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:22	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz)
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-08-05 08:05:22	INFO	imstat::::	Values --- 
2026-08-05 08:05:22	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:05:22	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:05:22	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:05:22	INFO	imstat::::	         -- minimum value [min]:                    -7.78731e-05 Jy/beam
2026-08-05 08:05:22	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:05:22	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:05:22	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:05:22	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:05:22	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:05:22	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:05:22	INFO	imstat::::	Statistics --- 
2026-08-05 08:05:22	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:05:22	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:05:22	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:05:22	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:05:22	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86503e-05 Jy/beam
2026-08-05 08:05:22	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73798e-05 Jy/beam
2026-08-05 08:05:22	INFO	imstat::::	        -- IQR [quartile]:                          3.56966e-05 Jy/beam
2026-08-05 08:05:22	INFO	imstat::::	        -- First quartile [q1]:                     -3.45352e-05 Jy/beam
2026-08-05 08:05:22	INFO	imstat::::	        -- Third quartile [q3]:                     1.16146e-06 Jy/beam
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:05:22	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085647e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.787306e-05  4.999996e+00
2026-08-05 08:05:22	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:05:21.892036 End time: 2026-08-05 08:05:21.918959
2026-08-05 08:05:22	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:05:22	INFO	imstat::::casa	##########################################
2026-08-05 08:05:22	INFO	phaseshift::::casa	##########################################
2026-08-05 08:05:22	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:05:22	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 6.352706472deg' )
2026-08-05 08:05:22	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:05:22	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:05:22	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:05:22	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:05:22	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:05:22	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:05:22	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:05:22	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:05:22	INFO	MSTransformManager::open	Select data
2026-08-05 08:05:22	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:05:27	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:05:27	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg 6.352706472deg' successfully parsed
2026-08-05 08:05:27	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:05:28	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:05:28	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:05:21.935961 End time: 2026-08-05 08:05:27.874696
2026-08-05 08:05:28	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:05:28	INFO	phaseshift::::casa	##########################################
2026-08-05 08:05:28	INFO	tclean::::casa	##########################################
2026-08-05 08:05:28	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:05:28	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:05:28	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:05:28	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:05:28	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:05:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:05:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:05:28	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:05:28	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:05:28	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:05:28	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:05:28	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:05:28	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:05:28	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:05:29	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:05:30	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.026803
2026-08-05 08:05:30	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:05:30	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:05:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:05:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:05:31	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:05:31	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:05:31	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:05:31	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:05:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:05:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:05:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:05:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:05:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:05:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:05:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:05:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:05:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:05:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:05:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:05:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:05:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:05:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:05:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:05:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:05:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:05:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:05:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:05:34	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:05:34	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:05:34	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:05:35	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:05:35	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:05:35	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:05:27.930322 End time: 2026-08-05 08:05:35.403685
2026-08-05 08:05:35	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:05:35	INFO	tclean::::casa	##########################################
2026-08-05 08:05:35	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:05:35	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:35	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:05:35	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:05:35	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:05:35 2026******
2026-08-05 08:05:35	INFO	ImageFitter::fit+	
2026-08-05 08:05:35	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:05:35	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:05:35	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:05:35	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:05:35	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:05:35	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:05:35	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:05:35	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:05:35	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:05:35	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:35	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:05:35	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00011687 Jy
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999996 +/- 0.000097 pixels
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:05:35	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:05:35	INFO	imstat::::casa	##########################################
2026-08-05 08:05:35	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:05:35	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:05:35	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:05:35	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:05:35	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:05:35	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:05:36	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:36	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:05:36	INFO	imstat::::	Values --- 
2026-08-05 08:05:36	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:05:36	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:05:36	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:05:36	INFO	imstat::::	         -- minimum value [min]:                    -7.77771e-05 Jy/beam
2026-08-05 08:05:36	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:05:36	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:05:36	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:05:36	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:05:36	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:05:36	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:05:36	INFO	imstat::::	Statistics --- 
2026-08-05 08:05:36	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:05:36	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:05:36	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:05:36	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:05:36	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86715e-05 Jy/beam
2026-08-05 08:05:36	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73619e-05 Jy/beam
2026-08-05 08:05:36	INFO	imstat::::	        -- IQR [quartile]:                          3.56021e-05 Jy/beam
2026-08-05 08:05:36	INFO	imstat::::	        -- First quartile [q1]:                     -3.45061e-05 Jy/beam
2026-08-05 08:05:36	INFO	imstat::::	        -- Third quartile [q3]:                     1.09605e-06 Jy/beam
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:05:36	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777705e-05  4.999996e+00
2026-08-05 08:05:36	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:05:35.487864 End time: 2026-08-05 08:05:35.516891
2026-08-05 08:05:36	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:05:36	INFO	imstat::::casa	##########################################
2026-08-05 08:05:36	INFO	phaseshift::::casa	##########################################
2026-08-05 08:05:36	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:05:36	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 0.110875644rad' )
2026-08-05 08:05:36	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:05:36	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:05:36	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:05:36	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:05:36	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:05:36	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:05:36	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:05:36	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:05:36	INFO	MSTransformManager::open	Select data
2026-08-05 08:05:36	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:05:38	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:05:38	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg 0.110875644rad' successfully parsed
2026-08-05 08:05:38	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:05:38	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:05:38	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:05:35.534594 End time: 2026-08-05 08:05:38.206287
2026-08-05 08:05:38	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:05:38	INFO	phaseshift::::casa	##########################################
2026-08-05 08:05:38	INFO	tclean::::casa	##########################################
2026-08-05 08:05:38	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:05:38	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:05:38	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:05:38	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:05:38	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:05:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:05:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:05:38	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:05:38	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:05:38	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:05:38	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:05:38	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:05:38	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:05:38	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:05:39	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:05:39	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023017
2026-08-05 08:05:39	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:05:39	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:05:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:05:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:05:41	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:05:41	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:05:41	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:05:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:05:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:05:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:05:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:05:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:05:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:05:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:05:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:05:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:05:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:05:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:05:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:05:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:05:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:05:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:05:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:05:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:05:44	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:05:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:05:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:05:44	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:05:44	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:05:44	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:05:45	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:05:45	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:05:47	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:05:38.261537 End time: 2026-08-05 08:05:46.519624
2026-08-05 08:05:47	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:05:47	INFO	tclean::::casa	##########################################
2026-08-05 08:05:47	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:05:47	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:47	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:05:47	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:05:47	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:05:47 2026******
2026-08-05 08:05:47	INFO	ImageFitter::fit+	
2026-08-05 08:05:47	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:05:47	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:05:47	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:05:47	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:05:47	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:05:47	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:05:47	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:05:47	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:05:47	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:05:47	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:47	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:05:47	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126482 Jy
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000012 +/- 0.000127 pixels
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:05:47	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:05:47	INFO	imstat::::casa	##########################################
2026-08-05 08:05:47	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:05:47	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:05:47	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:05:47	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:05:47	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:05:47	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:05:47	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:47	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:05:47	INFO	imstat::::	Values --- 
2026-08-05 08:05:47	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:05:47	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:05:47	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:05:47	INFO	imstat::::	         -- minimum value [min]:                    -7.77855e-05 Jy/beam
2026-08-05 08:05:47	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:05:47	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 08:05:47	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:05:47	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-08-05 08:05:47	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:05:47	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:05:47	INFO	imstat::::	Statistics --- 
2026-08-05 08:05:47	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:05:47	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:05:47	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:05:47	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:05:47	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86732e-05 Jy/beam
2026-08-05 08:05:47	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73562e-05 Jy/beam
2026-08-05 08:05:47	INFO	imstat::::	        -- IQR [quartile]:                          3.56008e-05 Jy/beam
2026-08-05 08:05:47	INFO	imstat::::	        -- First quartile [q1]:                     -3.45107e-05 Jy/beam
2026-08-05 08:05:47	INFO	imstat::::	        -- Third quartile [q3]:                     1.09015e-06 Jy/beam
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:05:47	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778549e-05  4.999996e+00
2026-08-05 08:05:47	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:05:46.595794 End time: 2026-08-05 08:05:46.622966
2026-08-05 08:05:47	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:05:47	INFO	imstat::::casa	##########################################
2026-08-05 08:05:47	INFO	phaseshift::::casa	##########################################
2026-08-05 08:05:47	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:05:47	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad +006d21m09.7433' )
2026-08-05 08:05:47	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:05:47	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:05:47	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:05:47	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:05:47	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:05:47	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:05:47	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:05:47	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:05:47	INFO	MSTransformManager::open	Select data
2026-08-05 08:05:47	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:05:49	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:05:49	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad +006d21m09.7433' successfully parsed
2026-08-05 08:05:49	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:05:49	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:05:49	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:05:46.639886 End time: 2026-08-05 08:05:49.316182
2026-08-05 08:05:49	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:05:49	INFO	phaseshift::::casa	##########################################
2026-08-05 08:05:49	INFO	tclean::::casa	##########################################
2026-08-05 08:05:49	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:05:49	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:05:49	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:05:49	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:05:49	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:05:50	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:05:50	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:05:50	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:05:50	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:05:50	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:05:50	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:05:50	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:05:50	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:05:50	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:05:52	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:05:52	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024606
2026-08-05 08:05:52	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:05:52	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:05:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:05:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:05:53	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:05:53	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:05:53	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:05:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:05:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:05:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:05:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:05:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:05:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:05:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:05:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:05:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:05:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:05:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:05:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:05:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:05:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:05:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:05:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:05:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:05:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:05:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:05:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:05:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:05:57	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:05:57	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:05:57	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:05:57	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:05:58	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:05:58	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:05:49.375247 End time: 2026-08-05 08:05:58.205298
2026-08-05 08:05:58	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:05:58	INFO	tclean::::casa	##########################################
2026-08-05 08:05:58	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:05:58	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:58	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:05:58	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:05:58	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:05:58 2026******
2026-08-05 08:05:58	INFO	ImageFitter::fit+	
2026-08-05 08:05:58	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:05:58	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:05:58	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:05:58	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:05:58	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:05:58	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:05:58	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:05:58	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:05:58	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:05:58	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:58	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:05:58	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116872 Jy
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000006 +/- 0.000777 arcsec
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000007 +/- 0.000127 pixels
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999994 +/- 0.000097 pixels
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:05:58	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:05:58	INFO	imstat::::casa	##########################################
2026-08-05 08:05:58	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:05:58	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:05:58	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:05:58	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:05:58	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:05:58	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:05:58	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:05:58	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:05:58	INFO	imstat::::	Values --- 
2026-08-05 08:05:58	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:05:58	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:05:58	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:05:58	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-08-05 08:05:58	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:05:58	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:05:58	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:05:58	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:05:58	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:05:58	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:05:58	INFO	imstat::::	Statistics --- 
2026-08-05 08:05:58	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:05:58	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:05:58	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:05:58	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:05:58	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86669e-05 Jy/beam
2026-08-05 08:05:58	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73635e-05 Jy/beam
2026-08-05 08:05:58	INFO	imstat::::	        -- IQR [quartile]:                          3.56081e-05 Jy/beam
2026-08-05 08:05:58	INFO	imstat::::	        -- First quartile [q1]:                     -3.45085e-05 Jy/beam
2026-08-05 08:05:58	INFO	imstat::::	        -- Third quartile [q3]:                     1.09959e-06 Jy/beam
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:05:58	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778013e-05  4.999996e+00
2026-08-05 08:05:58	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:05:58.274234 End time: 2026-08-05 08:05:58.300009
2026-08-05 08:05:58	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:05:58	INFO	imstat::::casa	##########################################
2026-08-05 08:05:58	INFO	phaseshift::::casa	##########################################
2026-08-05 08:05:58	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:05:58	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 00:25:24.6496' )
2026-08-05 08:05:58	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:05:58	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:05:58	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:05:58	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:05:58	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:05:58	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:05:58	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:05:58	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:05:58	INFO	MSTransformManager::open	Select data
2026-08-05 08:05:58	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:06:01	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 08:06:01	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad 00:25:24.6496' successfully parsed
2026-08-05 08:06:01	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:06:01	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:06:01	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:05:58.316316 End time: 2026-08-05 08:06:01.273654
2026-08-05 08:06:01	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:06:01	INFO	phaseshift::::casa	##########################################
2026-08-05 08:06:01	INFO	tclean::::casa	##########################################
2026-08-05 08:06:01	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:06:01	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:06:01	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:06:01	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:06:01	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:06:01	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:06:01	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:06:01	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:06:01	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:06:01	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:06:01	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:06:01	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:06:01	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:06:01	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:06:02	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:06:02	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022014
2026-08-05 08:06:02	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:06:02	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:06:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:06:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:06:03	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:06:03	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:06:03	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:06:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:06:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:06:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:06:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:06:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:06:04	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:06:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:06:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:06:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:06:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:06:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:06:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:06:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:06:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:06:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:06:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:06:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:06:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:06:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:06:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:06:07	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:06:07	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:06:07	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:06:07	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:06:07	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:06:08	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:06:01.309823 End time: 2026-08-05 08:06:08.189359
2026-08-05 08:06:08	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:06:08	INFO	tclean::::casa	##########################################
2026-08-05 08:06:08	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:06:08	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:08	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:06:08	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:06:08	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:06:08 2026******
2026-08-05 08:06:08	INFO	ImageFitter::fit+	
2026-08-05 08:06:08	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:06:08	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:06:08	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:06:08	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:06:08	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:06:08	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:06:08	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:06:08	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:06:08	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:06:08	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:08	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:06:08	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116905 Jy
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012652 Jy
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000041 +/- 0.000777 arcsec
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999941 +/- 0.000127 pixels
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999954 +/- 0.000097 pixels
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:06:08	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:06:08	INFO	imstat::::casa	##########################################
2026-08-05 08:06:08	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:06:08	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:06:08	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:06:08	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:06:08	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:06:08	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:06:08	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:08	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz)
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-08-05 08:06:08	INFO	imstat::::	Values --- 
2026-08-05 08:06:08	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:06:08	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:06:08	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:06:08	INFO	imstat::::	         -- minimum value [min]:                    -7.78774e-05 Jy/beam
2026-08-05 08:06:08	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:06:08	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:06:08	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:06:08	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:06:08	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:06:08	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:06:08	INFO	imstat::::	Statistics --- 
2026-08-05 08:06:08	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:06:08	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:06:08	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:06:08	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:06:08	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86532e-05 Jy/beam
2026-08-05 08:06:08	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73779e-05 Jy/beam
2026-08-05 08:06:08	INFO	imstat::::	        -- IQR [quartile]:                          3.5701e-05 Jy/beam
2026-08-05 08:06:08	INFO	imstat::::	        -- First quartile [q1]:                     -3.45356e-05 Jy/beam
2026-08-05 08:06:08	INFO	imstat::::	        -- Third quartile [q3]:                     1.16544e-06 Jy/beam
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:06:08	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085647e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.787745e-05  4.999996e+00
2026-08-05 08:06:08	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:06:08.265394 End time: 2026-08-05 08:06:08.292125
2026-08-05 08:06:08	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:06:08	INFO	imstat::::casa	##########################################
2026-08-05 08:06:08	INFO	phaseshift::::casa	##########################################
2026-08-05 08:06:08	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:06:08	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 6.352706472deg' )
2026-08-05 08:06:08	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:06:08	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:06:08	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:06:08	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:06:08	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:06:08	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:06:08	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:06:08	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:06:08	INFO	MSTransformManager::open	Select data
2026-08-05 08:06:08	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:06:10	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:06:10	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad 6.352706472deg' successfully parsed
2026-08-05 08:06:10	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:06:10	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:06:10	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:06:08.309191 End time: 2026-08-05 08:06:10.422592
2026-08-05 08:06:10	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:06:10	INFO	phaseshift::::casa	##########################################
2026-08-05 08:06:10	INFO	tclean::::casa	##########################################
2026-08-05 08:06:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:06:10	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:06:10	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:06:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:06:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:06:11	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:06:11	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:06:11	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:06:11	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:06:11	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:06:11	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:06:11	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:06:11	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:06:11	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:06:12	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:06:12	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022447
2026-08-05 08:06:12	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:06:12	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:06:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:06:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:06:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:06:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:06:13	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:06:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:06:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:06:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:06:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:06:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:06:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:06:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:06:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:06:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:06:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:06:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:06:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:06:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:06:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:06:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:06:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:06:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:06:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:06:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:06:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:06:16	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:06:16	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:06:16	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:06:16	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:06:16	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:06:17	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:06:10.473585 End time: 2026-08-05 08:06:17.189648
2026-08-05 08:06:17	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:06:17	INFO	tclean::::casa	##########################################
2026-08-05 08:06:17	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:06:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:17	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:06:17	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:06:17	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:06:17 2026******
2026-08-05 08:06:17	INFO	ImageFitter::fit+	
2026-08-05 08:06:17	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:06:17	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:06:17	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:06:17	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:06:17	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:06:17	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:06:17	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:06:17	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:06:17	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:06:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:17	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:06:17	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000006 +/- 0.000777 arcsec
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000007 +/- 0.000127 pixels
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999994 +/- 0.000097 pixels
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:06:17	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:06:17	INFO	imstat::::casa	##########################################
2026-08-05 08:06:17	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:06:17	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:06:17	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:06:17	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:06:17	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:06:17	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:06:17	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:17	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:06:17	INFO	imstat::::	Values --- 
2026-08-05 08:06:17	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:06:17	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:06:17	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:06:17	INFO	imstat::::	         -- minimum value [min]:                    -7.77798e-05 Jy/beam
2026-08-05 08:06:17	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:06:17	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:06:17	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:06:17	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:06:17	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:06:17	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:06:17	INFO	imstat::::	Statistics --- 
2026-08-05 08:06:17	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:06:17	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:06:17	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:06:17	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:06:17	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86675e-05 Jy/beam
2026-08-05 08:06:17	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73645e-05 Jy/beam
2026-08-05 08:06:17	INFO	imstat::::	        -- IQR [quartile]:                          3.56077e-05 Jy/beam
2026-08-05 08:06:17	INFO	imstat::::	        -- First quartile [q1]:                     -3.45073e-05 Jy/beam
2026-08-05 08:06:17	INFO	imstat::::	        -- Third quartile [q3]:                     1.1004e-06 Jy/beam
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:06:17	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777975e-05  4.999996e+00
2026-08-05 08:06:17	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:06:17.268782 End time: 2026-08-05 08:06:17.297258
2026-08-05 08:06:17	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:06:17	INFO	imstat::::casa	##########################################
2026-08-05 08:06:17	INFO	phaseshift::::casa	##########################################
2026-08-05 08:06:17	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:06:17	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 0.110875644rad' )
2026-08-05 08:06:17	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:06:17	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:06:17	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:06:17	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:06:17	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:06:17	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:06:17	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:06:17	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:06:17	INFO	MSTransformManager::open	Select data
2026-08-05 08:06:17	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:06:19	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:06:19	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad 0.110875644rad' successfully parsed
2026-08-05 08:06:19	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:06:20	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:06:20	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:06:17.315260 End time: 2026-08-05 08:06:19.560053
2026-08-05 08:06:20	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:06:20	INFO	phaseshift::::casa	##########################################
2026-08-05 08:06:20	INFO	tclean::::casa	##########################################
2026-08-05 08:06:20	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:06:20	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:06:20	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:06:20	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:06:20	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:06:20	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:06:20	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:06:20	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:06:20	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:06:20	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:06:20	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:06:20	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:06:20	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:06:20	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:06:20	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:06:20	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.019809
2026-08-05 08:06:20	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:06:21	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:06:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:06:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:06:21	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:06:21	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:06:21	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:06:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:06:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:06:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:06:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:06:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:06:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:06:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:06:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:06:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:06:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:06:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:06:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:06:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:06:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:06:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:06:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:06:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:06:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:06:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:06:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:06:27	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:06:27	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:06:27	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:06:27	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:06:28	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:06:28	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:06:19.619008 End time: 2026-08-05 08:06:28.255953
2026-08-05 08:06:28	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:06:28	INFO	tclean::::casa	##########################################
2026-08-05 08:06:28	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:06:28	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:28	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:06:28	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:06:28	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:06:28 2026******
2026-08-05 08:06:28	INFO	ImageFitter::fit+	
2026-08-05 08:06:28	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:06:28	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:06:28	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:06:28	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:06:28	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:06:28	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:06:28	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:06:28	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:06:28	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:06:28	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:28	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:06:28	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000002 +/- 0.000777 arcsec
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000014 +/- 0.000127 pixels
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999998 +/- 0.000097 pixels
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:06:28	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:06:28	INFO	imstat::::casa	##########################################
2026-08-05 08:06:28	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:06:28	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:06:28	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:06:28	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:06:28	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:06:28	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:06:28	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:28	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:06:28	INFO	imstat::::	Values --- 
2026-08-05 08:06:28	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:06:28	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:06:28	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:06:28	INFO	imstat::::	         -- minimum value [min]:                    -7.77816e-05 Jy/beam
2026-08-05 08:06:28	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:06:28	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 08:06:28	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:06:28	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-08-05 08:06:28	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:06:28	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:06:28	INFO	imstat::::	Statistics --- 
2026-08-05 08:06:28	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:06:28	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:06:28	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:06:28	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:06:28	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.8676e-05 Jy/beam
2026-08-05 08:06:28	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73584e-05 Jy/beam
2026-08-05 08:06:28	INFO	imstat::::	        -- IQR [quartile]:                          3.56038e-05 Jy/beam
2026-08-05 08:06:28	INFO	imstat::::	        -- First quartile [q1]:                     -3.45104e-05 Jy/beam
2026-08-05 08:06:28	INFO	imstat::::	        -- Third quartile [q3]:                     1.09331e-06 Jy/beam
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:06:28	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778164e-05  4.999996e+00
2026-08-05 08:06:28	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:06:28.329078 End time: 2026-08-05 08:06:28.355995
2026-08-05 08:06:28	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:06:28	INFO	imstat::::casa	##########################################
2026-08-05 08:06:28	INFO	phaseshift::::casa	##########################################
2026-08-05 08:06:28	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:06:28	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39d58m05.8512' )
2026-08-05 08:06:28	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:06:28	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:06:28	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:06:28	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:06:28	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:06:28	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:06:28	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:06:28	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:06:28	INFO	MSTransformManager::open	Select data
2026-08-05 08:06:28	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:06:30	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:06:30	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 39d58m05.8512' successfully parsed
2026-08-05 08:06:30	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:06:31	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:06:31	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:06:28.373064 End time: 2026-08-05 08:06:30.754685
2026-08-05 08:06:31	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:06:31	INFO	phaseshift::::casa	##########################################
2026-08-05 08:06:31	INFO	tclean::::casa	##########################################
2026-08-05 08:06:31	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:06:31	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:06:31	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:06:31	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:06:31	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:06:31	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:06:31	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:06:31	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:06:31	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:06:31	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:06:31	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:06:31	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:06:31	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:06:31	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:06:32	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:06:32	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.018337
2026-08-05 08:06:32	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:06:32	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:06:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:06:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:06:33	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:06:33	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:06:33	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:06:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:06:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:06:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:06:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:06:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:06:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:06:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:06:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:06:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:06:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:06:35	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:06:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:06:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:06:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:06:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:06:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:06:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:06:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:06:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:06:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:06:37	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:06:37	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:06:37	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:06:38	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:06:38	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:06:39	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:06:30.813861 End time: 2026-08-05 08:06:38.752030
2026-08-05 08:06:39	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:06:39	INFO	tclean::::casa	##########################################
2026-08-05 08:06:39	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:06:39	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:39	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:06:39	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:06:39	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:06:39 2026******
2026-08-05 08:06:39	INFO	ImageFitter::fit+	
2026-08-05 08:06:39	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:06:39	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:06:39	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:06:39	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:06:39	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:06:39	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:06:39	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:06:39	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:06:39	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:06:39	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:39	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:06:39	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:06:39	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:06:39	INFO	imstat::::casa	##########################################
2026-08-05 08:06:39	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:06:39	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:06:39	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:06:39	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:06:39	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:06:39	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:06:39	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:39	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:06:39	INFO	imstat::::	Values --- 
2026-08-05 08:06:39	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:06:39	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:06:39	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:06:39	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-08-05 08:06:39	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:06:39	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:06:39	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:06:39	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:06:39	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:06:39	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:06:39	INFO	imstat::::	Statistics --- 
2026-08-05 08:06:39	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:06:39	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:06:39	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:06:39	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:06:39	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-08-05 08:06:39	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-08-05 08:06:39	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-08-05 08:06:39	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-08-05 08:06:39	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:06:39	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778264e-05  4.999996e+00
2026-08-05 08:06:39	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:06:38.805702 End time: 2026-08-05 08:06:38.837066
2026-08-05 08:06:39	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:06:39	INFO	imstat::::casa	##########################################
2026-08-05 08:06:39	INFO	phaseshift::::casa	##########################################
2026-08-05 08:06:39	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:06:39	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 02:39:52.3901' )
2026-08-05 08:06:39	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:06:39	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:06:39	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:06:39	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:06:39	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:06:39	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:06:39	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:06:39	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:06:39	INFO	MSTransformManager::open	Select data
2026-08-05 08:06:39	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:06:40	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 08:06:40	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 02:39:52.3901' successfully parsed
2026-08-05 08:06:40	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:06:41	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:06:41	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:06:38.850118 End time: 2026-08-05 08:06:40.763301
2026-08-05 08:06:41	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:06:41	INFO	phaseshift::::casa	##########################################
2026-08-05 08:06:41	INFO	tclean::::casa	##########################################
2026-08-05 08:06:41	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:06:41	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:06:41	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:06:41	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:06:41	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:06:41	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:06:41	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:06:41	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:06:41	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:06:41	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:06:41	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:06:41	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:06:41	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:06:41	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:06:42	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:06:42	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023934
2026-08-05 08:06:42	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:06:42	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:06:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:06:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:06:44	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:06:44	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:06:44	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:06:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:06:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:06:44	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:06:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:06:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:06:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:06:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:06:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:06:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:06:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:06:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:06:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:06:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:06:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:06:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:06:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:06:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:06:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:06:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:06:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:06:47	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:06:47	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:06:47	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:06:47	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:06:47	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:06:48	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:06:40.819410 End time: 2026-08-05 08:06:48.132601
2026-08-05 08:06:48	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:06:48	INFO	tclean::::casa	##########################################
2026-08-05 08:06:48	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:06:48	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:48	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:06:48	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:06:48	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:06:48 2026******
2026-08-05 08:06:48	INFO	ImageFitter::fit+	
2026-08-05 08:06:48	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:06:48	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:06:48	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:06:48	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:06:48	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:06:48	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:06:48	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:06:48	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:06:48	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:06:48	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:48	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:06:48	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00011688 Jy
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126496 Jy
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:06:48	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:06:48	INFO	imstat::::casa	##########################################
2026-08-05 08:06:48	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:06:48	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:06:48	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:06:48	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:06:48	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:06:48	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:06:48	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:48	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz)
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-08-05 08:06:48	INFO	imstat::::	Values --- 
2026-08-05 08:06:48	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:06:48	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:06:48	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:06:48	INFO	imstat::::	         -- minimum value [min]:                    -7.78225e-05 Jy/beam
2026-08-05 08:06:48	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:06:48	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:06:48	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:06:48	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:06:48	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:06:48	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:06:48	INFO	imstat::::	Statistics --- 
2026-08-05 08:06:48	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:06:48	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:06:48	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:06:48	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:06:48	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86781e-05 Jy/beam
2026-08-05 08:06:48	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam
2026-08-05 08:06:48	INFO	imstat::::	        -- IQR [quartile]:                          3.56365e-05 Jy/beam
2026-08-05 08:06:48	INFO	imstat::::	        -- First quartile [q1]:                     -3.45278e-05 Jy/beam
2026-08-05 08:06:48	INFO	imstat::::	        -- Third quartile [q3]:                     1.10869e-06 Jy/beam
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:06:48	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085647e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.782251e-05  4.999996e+00
2026-08-05 08:06:48	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:06:48.205166 End time: 2026-08-05 08:06:48.231179
2026-08-05 08:06:48	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:06:48	INFO	imstat::::casa	##########################################
2026-08-05 08:06:48	INFO	phaseshift::::casa	##########################################
2026-08-05 08:06:48	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:06:48	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39.968292000deg' )
2026-08-05 08:06:48	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:06:48	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:06:48	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:06:48	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:06:48	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:06:48	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:06:48	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:06:48	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:06:48	INFO	MSTransformManager::open	Select data
2026-08-05 08:06:48	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:06:50	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:06:50	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 39.968292000deg' successfully parsed
2026-08-05 08:06:50	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:06:50	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:06:50	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:06:48.247667 End time: 2026-08-05 08:06:50.186875
2026-08-05 08:06:50	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:06:50	INFO	phaseshift::::casa	##########################################
2026-08-05 08:06:50	INFO	tclean::::casa	##########################################
2026-08-05 08:06:50	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:06:50	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:06:50	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:06:50	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:06:50	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:06:50	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:06:50	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:06:50	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:06:50	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:06:50	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:06:50	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:06:50	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:06:50	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:06:50	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:06:51	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:06:51	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023817
2026-08-05 08:06:51	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:06:51	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:06:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:06:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:06:52	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:06:52	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:06:52	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:06:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:06:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:06:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:06:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:06:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:06:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:06:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:06:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:06:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:06:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:06:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:06:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:06:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:06:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:06:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:06:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:06:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:06:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:06:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:06:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:06:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:06:56	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:06:56	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:06:56	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:06:56	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:06:56	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:06:59	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:06:50.240850 End time: 2026-08-05 08:06:59.171029
2026-08-05 08:06:59	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:06:59	INFO	tclean::::casa	##########################################
2026-08-05 08:06:59	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:06:59	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:59	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:06:59	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:06:59	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:06:59 2026******
2026-08-05 08:06:59	INFO	ImageFitter::fit+	
2026-08-05 08:06:59	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:06:59	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:06:59	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:06:59	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:06:59	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:06:59	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:06:59	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:06:59	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:06:59	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:06:59	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:59	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:06:59	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:06:59	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:06:59	INFO	imstat::::casa	##########################################
2026-08-05 08:06:59	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:06:59	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:06:59	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:06:59	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:06:59	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:06:59	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:06:59	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:06:59	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:06:59	INFO	imstat::::	Values --- 
2026-08-05 08:06:59	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:06:59	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:06:59	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:06:59	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-08-05 08:06:59	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:06:59	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:06:59	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:06:59	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:06:59	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:06:59	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:06:59	INFO	imstat::::	Statistics --- 
2026-08-05 08:06:59	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:06:59	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:06:59	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:06:59	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:06:59	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-08-05 08:06:59	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-08-05 08:06:59	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-08-05 08:06:59	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-08-05 08:06:59	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:06:59	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778264e-05  4.999996e+00
2026-08-05 08:06:59	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:06:59.243472 End time: 2026-08-05 08:06:59.270157
2026-08-05 08:06:59	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:06:59	INFO	imstat::::casa	##########################################
2026-08-05 08:06:59	INFO	phaseshift::::casa	##########################################
2026-08-05 08:06:59	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:06:59	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 0.697578292rad' )
2026-08-05 08:06:59	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:06:59	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:06:59	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:06:59	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:06:59	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:06:59	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:06:59	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:06:59	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:06:59	INFO	MSTransformManager::open	Select data
2026-08-05 08:06:59	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:07:03	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:07:03	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 0.697578292rad' successfully parsed
2026-08-05 08:07:03	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:07:04	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:07:04	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:06:59.286665 End time: 2026-08-05 08:07:03.793018
2026-08-05 08:07:04	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:07:04	INFO	phaseshift::::casa	##########################################
2026-08-05 08:07:04	INFO	tclean::::casa	##########################################
2026-08-05 08:07:04	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:07:04	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:07:04	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:07:04	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:07:04	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:07:04	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:07:04	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:07:04	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:07:04	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:07:04	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:07:04	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:07:04	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:07:04	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:07:04	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:07:05	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:07:05	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023155
2026-08-05 08:07:05	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:07:05	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:07:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:07:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:07:06	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:07:06	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:07:06	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:07:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:07:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:07:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:07:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:07:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:07:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:07:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:07:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:07:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:07:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:07:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:07:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:07:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:07:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:07:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:07:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:07:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:07:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:07:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:07:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:07:10	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:07:10	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:07:10	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:07:10	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:07:10	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:07:11	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:07:03.847121 End time: 2026-08-05 08:07:11.079786
2026-08-05 08:07:11	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:07:11	INFO	tclean::::casa	##########################################
2026-08-05 08:07:11	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:07:11	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:11	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:07:11	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:07:11	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:07:11 2026******
2026-08-05 08:07:11	INFO	ImageFitter::fit+	
2026-08-05 08:07:11	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:07:11	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:07:11	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:07:11	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:07:11	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:07:11	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:07:11	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:07:11	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:07:11	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:07:11	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:11	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:07:11	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:07:11	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:07:11	INFO	imstat::::casa	##########################################
2026-08-05 08:07:11	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:07:11	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:07:11	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:07:11	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:07:11	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:07:11	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:07:11	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:11	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:07:11	INFO	imstat::::	Values --- 
2026-08-05 08:07:11	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:07:11	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:07:11	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:07:11	INFO	imstat::::	         -- minimum value [min]:                    -7.7789e-05 Jy/beam
2026-08-05 08:07:11	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:07:11	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:07:11	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:07:11	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:07:11	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:07:11	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:07:11	INFO	imstat::::	Statistics --- 
2026-08-05 08:07:11	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:07:11	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:07:11	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:07:11	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:07:11	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86647e-05 Jy/beam
2026-08-05 08:07:11	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam
2026-08-05 08:07:11	INFO	imstat::::	        -- IQR [quartile]:                          3.56182e-05 Jy/beam
2026-08-05 08:07:11	INFO	imstat::::	        -- First quartile [q1]:                     -3.45079e-05 Jy/beam
2026-08-05 08:07:11	INFO	imstat::::	        -- Third quartile [q3]:                     1.11022e-06 Jy/beam
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:07:11	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778897e-05  4.999996e+00
2026-08-05 08:07:11	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:07:11.160365 End time: 2026-08-05 08:07:11.188974
2026-08-05 08:07:11	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:07:11	INFO	imstat::::casa	##########################################
2026-08-05 08:07:11	INFO	phaseshift::::casa	##########################################
2026-08-05 08:07:11	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:07:11	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39d58m05.8512' )
2026-08-05 08:07:11	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:07:11	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:07:11	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:07:11	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:07:11	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:07:11	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:07:11	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:07:11	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:07:11	INFO	MSTransformManager::open	Select data
2026-08-05 08:07:11	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:07:13	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:07:13	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 39d58m05.8512' successfully parsed
2026-08-05 08:07:13	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:07:13	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:07:13	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:07:11.207210 End time: 2026-08-05 08:07:13.491684
2026-08-05 08:07:13	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:07:13	INFO	phaseshift::::casa	##########################################
2026-08-05 08:07:14	INFO	tclean::::casa	##########################################
2026-08-05 08:07:14	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:07:14	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:07:14	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:07:14	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:07:14	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:07:14	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:07:14	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:07:14	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:07:14	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:07:14	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:07:14	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:07:14	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:07:14	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:07:14	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:07:15	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:07:15	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.028041
2026-08-05 08:07:15	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:07:15	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:07:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:07:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:07:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:07:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:07:16	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:07:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:07:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:07:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:07:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:07:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:07:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:07:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:07:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:07:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:07:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:07:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:07:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:07:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:07:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:07:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:07:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:07:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:07:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:07:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:07:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:07:19	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:07:19	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:07:19	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:07:20	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:07:20	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:07:21	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:07:13.545823 End time: 2026-08-05 08:07:20.733197
2026-08-05 08:07:21	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:07:21	INFO	tclean::::casa	##########################################
2026-08-05 08:07:21	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:07:21	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:21	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:07:21	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:07:21	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:07:21 2026******
2026-08-05 08:07:21	INFO	ImageFitter::fit+	
2026-08-05 08:07:21	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:07:21	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:07:21	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:07:21	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:07:21	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:07:21	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:07:21	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:07:21	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:07:21	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:07:21	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:21	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:07:21	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000009 +/- 0.000127 pixels
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:07:21	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:07:21	INFO	imstat::::casa	##########################################
2026-08-05 08:07:21	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:07:21	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:07:21	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:07:21	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:07:21	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:07:21	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:07:21	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:21	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:07:21	INFO	imstat::::	Values --- 
2026-08-05 08:07:21	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:07:21	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:07:21	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:07:21	INFO	imstat::::	         -- minimum value [min]:                    -7.77773e-05 Jy/beam
2026-08-05 08:07:21	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:07:21	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 08:07:21	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:07:21	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-08-05 08:07:21	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:07:21	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:07:21	INFO	imstat::::	Statistics --- 
2026-08-05 08:07:21	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:07:21	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:07:21	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:07:21	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:07:21	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86786e-05 Jy/beam
2026-08-05 08:07:21	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam
2026-08-05 08:07:21	INFO	imstat::::	        -- IQR [quartile]:                          3.56014e-05 Jy/beam
2026-08-05 08:07:21	INFO	imstat::::	        -- First quartile [q1]:                     -3.45038e-05 Jy/beam
2026-08-05 08:07:21	INFO	imstat::::	        -- Third quartile [q3]:                     1.09758e-06 Jy/beam
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:07:21	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777732e-05  4.999996e+00
2026-08-05 08:07:21	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:07:20.798356 End time: 2026-08-05 08:07:20.823453
2026-08-05 08:07:21	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:07:21	INFO	imstat::::casa	##########################################
2026-08-05 08:07:21	INFO	phaseshift::::casa	##########################################
2026-08-05 08:07:21	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:07:21	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 02:39:52.3901' )
2026-08-05 08:07:21	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:07:21	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:07:21	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:07:21	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:07:21	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:07:21	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:07:21	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:07:21	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:07:21	INFO	MSTransformManager::open	Select data
2026-08-05 08:07:21	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:07:22	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 08:07:22	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 02:39:52.3901' successfully parsed
2026-08-05 08:07:22	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:07:23	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:07:23	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:07:20.839229 End time: 2026-08-05 08:07:22.666608
2026-08-05 08:07:23	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:07:23	INFO	phaseshift::::casa	##########################################
2026-08-05 08:07:23	INFO	tclean::::casa	##########################################
2026-08-05 08:07:23	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:07:23	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:07:23	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:07:23	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:07:23	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:07:23	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:07:23	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:07:23	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:07:23	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:07:23	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:07:23	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:07:23	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:07:23	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:07:23	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:07:24	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:07:24	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020875
2026-08-05 08:07:24	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:07:24	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:07:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:07:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:07:25	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:07:25	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:07:25	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:07:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:07:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:07:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:07:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:07:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:07:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:07:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:07:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:07:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:07:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:07:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:07:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:07:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:07:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:07:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:07:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:07:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:07:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:07:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:07:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:07:29	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:07:29	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:07:29	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:07:29	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:07:29	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:07:33	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:07:22.711067 End time: 2026-08-05 08:07:32.662324
2026-08-05 08:07:33	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:07:33	INFO	tclean::::casa	##########################################
2026-08-05 08:07:33	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:07:33	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:33	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:07:33	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:07:33	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:07:33 2026******
2026-08-05 08:07:33	INFO	ImageFitter::fit+	
2026-08-05 08:07:33	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:07:33	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:07:33	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:07:33	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:07:33	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:07:33	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:07:33	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:07:33	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:07:33	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:07:33	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:33	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:07:33	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116878 Jy
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126494 Jy
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000008 +/- 0.000127 pixels
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:07:33	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:07:33	INFO	imstat::::casa	##########################################
2026-08-05 08:07:33	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:07:33	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:07:33	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:07:33	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:07:33	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:07:33	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:07:33	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:33	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz)
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-08-05 08:07:33	INFO	imstat::::	Values --- 
2026-08-05 08:07:33	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:07:33	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:07:33	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:07:33	INFO	imstat::::	         -- minimum value [min]:                    -7.78143e-05 Jy/beam
2026-08-05 08:07:33	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:07:33	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:07:33	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:07:33	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:07:33	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:07:33	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:07:33	INFO	imstat::::	Statistics --- 
2026-08-05 08:07:33	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:07:33	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:07:33	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:07:33	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:07:33	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86838e-05 Jy/beam
2026-08-05 08:07:33	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73769e-05 Jy/beam
2026-08-05 08:07:33	INFO	imstat::::	        -- IQR [quartile]:                          3.5634e-05 Jy/beam
2026-08-05 08:07:33	INFO	imstat::::	        -- First quartile [q1]:                     -3.45216e-05 Jy/beam
2026-08-05 08:07:33	INFO	imstat::::	        -- Third quartile [q3]:                     1.1124e-06 Jy/beam
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:07:33	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.781426e-05  4.999996e+00
2026-08-05 08:07:33	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:07:32.745326 End time: 2026-08-05 08:07:32.773963
2026-08-05 08:07:33	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:07:33	INFO	imstat::::casa	##########################################
2026-08-05 08:07:33	INFO	phaseshift::::casa	##########################################
2026-08-05 08:07:33	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:07:33	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39.968292000deg' )
2026-08-05 08:07:33	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:07:33	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:07:33	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:07:33	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:07:33	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:07:33	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:07:33	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:07:33	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:07:33	INFO	MSTransformManager::open	Select data
2026-08-05 08:07:33	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:07:35	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:07:35	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 39.968292000deg' successfully parsed
2026-08-05 08:07:35	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:07:35	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:07:35	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:07:32.791592 End time: 2026-08-05 08:07:35.327143
2026-08-05 08:07:35	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:07:35	INFO	phaseshift::::casa	##########################################
2026-08-05 08:07:35	INFO	tclean::::casa	##########################################
2026-08-05 08:07:35	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:07:35	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:07:35	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:07:35	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:07:35	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:07:36	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:07:36	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:07:36	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:07:36	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:07:36	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:07:36	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:07:36	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:07:36	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:07:36	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:07:36	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:07:36	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02221
2026-08-05 08:07:36	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:07:36	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:07:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:07:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:07:38	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:07:38	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:07:38	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:07:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:07:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:07:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:07:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:07:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:07:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:07:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:07:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:07:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:07:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:07:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:07:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:07:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:07:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:07:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:07:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:07:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:07:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:07:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:07:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:07:42	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:07:42	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:07:42	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:07:42	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:07:43	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:07:43	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:07:35.374992 End time: 2026-08-05 08:07:43.168472
2026-08-05 08:07:43	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:07:43	INFO	tclean::::casa	##########################################
2026-08-05 08:07:43	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:07:43	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:43	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:07:43	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:07:43	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:07:43 2026******
2026-08-05 08:07:43	INFO	ImageFitter::fit+	
2026-08-05 08:07:43	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:07:43	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:07:43	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:07:43	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:07:43	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:07:43	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:07:43	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:07:43	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:07:43	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:07:43	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:43	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:07:43	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000009 +/- 0.000127 pixels
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:07:43	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:07:43	INFO	imstat::::casa	##########################################
2026-08-05 08:07:43	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:07:43	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:07:43	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:07:43	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:07:43	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:07:43	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:07:43	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:43	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:07:43	INFO	imstat::::	Values --- 
2026-08-05 08:07:43	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:07:43	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:07:43	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:07:43	INFO	imstat::::	         -- minimum value [min]:                    -7.77773e-05 Jy/beam
2026-08-05 08:07:43	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:07:43	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-08-05 08:07:43	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:07:43	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-08-05 08:07:43	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:07:43	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:07:43	INFO	imstat::::	Statistics --- 
2026-08-05 08:07:43	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:07:43	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:07:43	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:07:43	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:07:43	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86786e-05 Jy/beam
2026-08-05 08:07:43	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam
2026-08-05 08:07:43	INFO	imstat::::	        -- IQR [quartile]:                          3.56014e-05 Jy/beam
2026-08-05 08:07:43	INFO	imstat::::	        -- First quartile [q1]:                     -3.45038e-05 Jy/beam
2026-08-05 08:07:43	INFO	imstat::::	        -- Third quartile [q3]:                     1.09758e-06 Jy/beam
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:07:43	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777732e-05  4.999996e+00
2026-08-05 08:07:43	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:07:43.243187 End time: 2026-08-05 08:07:43.272285
2026-08-05 08:07:43	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:07:43	INFO	imstat::::casa	##########################################
2026-08-05 08:07:43	INFO	phaseshift::::casa	##########################################
2026-08-05 08:07:43	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:07:43	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 0.697578292rad' )
2026-08-05 08:07:43	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:07:43	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:07:43	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:07:43	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:07:43	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:07:43	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:07:43	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:07:43	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:07:43	INFO	MSTransformManager::open	Select data
2026-08-05 08:07:43	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:07:45	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:07:45	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 0.697578292rad' successfully parsed
2026-08-05 08:07:45	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:07:45	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:07:45	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:07:43.292362 End time: 2026-08-05 08:07:45.332570
2026-08-05 08:07:45	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:07:45	INFO	phaseshift::::casa	##########################################
2026-08-05 08:07:45	INFO	tclean::::casa	##########################################
2026-08-05 08:07:45	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:07:45	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:07:45	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:07:45	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:07:45	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:07:46	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:07:46	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:07:46	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:07:46	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:07:46	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:07:46	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:07:46	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:07:46	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:07:46	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:07:46	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:07:46	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02526
2026-08-05 08:07:46	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:07:46	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:07:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:07:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:07:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:07:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:07:47	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:07:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:07:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:07:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:07:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:07:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:07:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:07:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:07:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:07:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:07:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:07:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:07:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:07:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:07:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:07:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:07:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:07:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:07:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:07:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:07:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:07:51	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:07:51	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:07:51	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:07:51	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:07:52	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:07:52	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:07:45.391850 End time: 2026-08-05 08:07:52.324471
2026-08-05 08:07:52	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:07:52	INFO	tclean::::casa	##########################################
2026-08-05 08:07:52	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:07:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:52	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:07:52	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:07:52	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:07:52 2026******
2026-08-05 08:07:52	INFO	ImageFitter::fit+	
2026-08-05 08:07:52	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:07:52	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:07:52	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:07:52	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:07:52	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:07:52	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:07:52	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:07:52	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:07:52	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:07:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:52	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:07:52	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126487 Jy
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000009 +/- 0.000127 pixels
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:07:52	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:07:52	INFO	imstat::::casa	##########################################
2026-08-05 08:07:52	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:07:52	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:07:52	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:07:52	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:07:52	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:07:52	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:07:52	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:07:52	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:07:52	INFO	imstat::::	Values --- 
2026-08-05 08:07:52	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:07:52	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:07:52	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:07:52	INFO	imstat::::	         -- minimum value [min]:                    -7.7781e-05 Jy/beam
2026-08-05 08:07:52	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:07:52	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:07:52	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:07:52	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:07:52	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:07:52	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:07:52	INFO	imstat::::	Statistics --- 
2026-08-05 08:07:52	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:07:52	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:07:52	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:07:52	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:07:52	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86714e-05 Jy/beam
2026-08-05 08:07:52	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73593e-05 Jy/beam
2026-08-05 08:07:52	INFO	imstat::::	        -- IQR [quartile]:                          3.56161e-05 Jy/beam
2026-08-05 08:07:52	INFO	imstat::::	        -- First quartile [q1]:                     -3.45125e-05 Jy/beam
2026-08-05 08:07:52	INFO	imstat::::	        -- Third quartile [q3]:                     1.10364e-06 Jy/beam
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:07:52	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778104e-05  4.999996e+00
2026-08-05 08:07:52	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:07:52.400865 End time: 2026-08-05 08:07:52.427998
2026-08-05 08:07:52	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:07:52	INFO	imstat::::casa	##########################################
2026-08-05 08:07:52	INFO	phaseshift::::casa	##########################################
2026-08-05 08:07:52	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:07:52	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39d58m05.8512' )
2026-08-05 08:07:52	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:07:52	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:07:52	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:07:52	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:07:52	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:07:52	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:07:52	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:07:52	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:07:52	INFO	MSTransformManager::open	Select data
2026-08-05 08:07:52	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:07:54	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:07:54	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 39d58m05.8512' successfully parsed
2026-08-05 08:07:54	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:07:55	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:07:55	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:07:52.444835 End time: 2026-08-05 08:07:54.563924
2026-08-05 08:07:55	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:07:55	INFO	phaseshift::::casa	##########################################
2026-08-05 08:07:55	INFO	tclean::::casa	##########################################
2026-08-05 08:07:55	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:07:55	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:07:55	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:07:55	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:07:55	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:07:55	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:07:55	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:07:55	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:07:55	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:07:55	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:07:55	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:07:55	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:07:55	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:07:55	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:07:55	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:07:56	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020769
2026-08-05 08:07:56	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:07:56	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:07:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:07:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:07:57	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:07:57	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:07:57	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:07:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:07:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:07:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:07:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:07:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:07:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:07:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:07:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:07:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:07:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:07:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:07:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:07:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:07:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:07:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:08:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:08:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:08:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:08:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:08:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:08:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:08:01	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:08:01	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:08:01	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:08:01	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:08:01	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:08:02	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:07:54.590081 End time: 2026-08-05 08:08:02.056289
2026-08-05 08:08:02	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:08:02	INFO	tclean::::casa	##########################################
2026-08-05 08:08:02	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:08:02	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:02	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:08:02	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:08:02	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:08:02 2026******
2026-08-05 08:08:02	INFO	ImageFitter::fit+	
2026-08-05 08:08:02	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:08:02	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:08:02	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:08:02	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:08:02	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:08:02	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:08:02	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:08:02	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:08:02	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:08:02	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:02	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:08:02	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:08:02	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:08:02	INFO	imstat::::casa	##########################################
2026-08-05 08:08:02	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:08:02	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:08:02	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:08:02	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:08:02	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:08:02	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:08:02	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:02	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:08:02	INFO	imstat::::	Values --- 
2026-08-05 08:08:02	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:08:02	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:08:02	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:08:02	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-08-05 08:08:02	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:08:02	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:08:02	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:08:02	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:08:02	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:08:02	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:08:02	INFO	imstat::::	Statistics --- 
2026-08-05 08:08:02	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:08:02	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:08:02	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:08:02	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:08:02	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-08-05 08:08:02	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-08-05 08:08:02	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-08-05 08:08:02	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-08-05 08:08:02	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:08:02	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778264e-05  4.999996e+00
2026-08-05 08:08:02	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:08:02.127623 End time: 2026-08-05 08:08:02.158304
2026-08-05 08:08:02	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:08:02	INFO	imstat::::casa	##########################################
2026-08-05 08:08:02	INFO	phaseshift::::casa	##########################################
2026-08-05 08:08:02	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:08:02	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 02:39:52.3901' )
2026-08-05 08:08:02	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:08:02	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:08:02	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:08:02	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:08:02	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:08:02	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:08:02	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:08:02	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:08:02	INFO	MSTransformManager::open	Select data
2026-08-05 08:08:02	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:08:05	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 08:08:05	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 02:39:52.3901' successfully parsed
2026-08-05 08:08:05	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:08:06	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:08:06	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:08:02.173849 End time: 2026-08-05 08:08:05.562979
2026-08-05 08:08:06	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:08:06	INFO	phaseshift::::casa	##########################################
2026-08-05 08:08:06	INFO	tclean::::casa	##########################################
2026-08-05 08:08:06	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:08:06	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:08:06	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:08:06	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:08:06	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:08:06	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:08:06	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:08:06	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:08:06	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:08:06	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:08:06	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:08:06	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:08:06	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:08:06	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:08:07	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:08:07	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020619
2026-08-05 08:08:07	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:08:07	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:08:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:08:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:08:08	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:08:08	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:08:08	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:08:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:08:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:08:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:08:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:08:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:08:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:08:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:08:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:08:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:08:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:08:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:08:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:08:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:08:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:08:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:08:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:08:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:08:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:08:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:08:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:08:11	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:08:11	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:08:11	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:08:12	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:08:12	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:08:13	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:08:05.621925 End time: 2026-08-05 08:08:12.609881
2026-08-05 08:08:13	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:08:13	INFO	tclean::::casa	##########################################
2026-08-05 08:08:13	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:08:13	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:13	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:08:13	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:08:13	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:08:13 2026******
2026-08-05 08:08:13	INFO	ImageFitter::fit+	
2026-08-05 08:08:13	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:08:13	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:08:13	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:08:13	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:08:13	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:08:13	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:08:13	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:08:13	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:08:13	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:08:13	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:13	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:08:13	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00011688 Jy
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126496 Jy
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:08:13	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:08:13	INFO	imstat::::casa	##########################################
2026-08-05 08:08:13	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:08:13	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:08:13	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:08:13	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:08:13	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:08:13	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:08:13	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:13	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz)
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-08-05 08:08:13	INFO	imstat::::	Values --- 
2026-08-05 08:08:13	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:08:13	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:08:13	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:08:13	INFO	imstat::::	         -- minimum value [min]:                    -7.78225e-05 Jy/beam
2026-08-05 08:08:13	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:08:13	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:08:13	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:08:13	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:08:13	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:08:13	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:08:13	INFO	imstat::::	Statistics --- 
2026-08-05 08:08:13	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:08:13	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:08:13	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:08:13	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:08:13	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86781e-05 Jy/beam
2026-08-05 08:08:13	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam
2026-08-05 08:08:13	INFO	imstat::::	        -- IQR [quartile]:                          3.56365e-05 Jy/beam
2026-08-05 08:08:13	INFO	imstat::::	        -- First quartile [q1]:                     -3.45278e-05 Jy/beam
2026-08-05 08:08:13	INFO	imstat::::	        -- Third quartile [q3]:                     1.10869e-06 Jy/beam
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:08:13	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085647e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.782251e-05  4.999996e+00
2026-08-05 08:08:13	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:08:12.695364 End time: 2026-08-05 08:08:12.724288
2026-08-05 08:08:13	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:08:13	INFO	imstat::::casa	##########################################
2026-08-05 08:08:13	INFO	phaseshift::::casa	##########################################
2026-08-05 08:08:13	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:08:13	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39.968292000deg' )
2026-08-05 08:08:13	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:08:13	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:08:13	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:08:13	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:08:13	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:08:13	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:08:13	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:08:13	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:08:13	INFO	MSTransformManager::open	Select data
2026-08-05 08:08:13	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:08:14	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:08:14	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 39.968292000deg' successfully parsed
2026-08-05 08:08:14	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:08:15	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:08:15	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:08:12.742407 End time: 2026-08-05 08:08:15.102377
2026-08-05 08:08:15	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:08:15	INFO	phaseshift::::casa	##########################################
2026-08-05 08:08:15	INFO	tclean::::casa	##########################################
2026-08-05 08:08:15	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:08:15	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:08:15	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:08:15	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:08:15	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:08:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:08:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:08:15	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:08:15	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:08:15	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:08:15	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:08:15	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:08:15	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:08:15	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:08:16	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:08:16	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024279
2026-08-05 08:08:16	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:08:16	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:08:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:08:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:08:17	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:08:18	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:08:18	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:08:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:08:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:08:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:08:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:08:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:08:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:08:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:08:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:08:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:08:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:08:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:08:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:08:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:08:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:08:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:08:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:08:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:08:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:08:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:08:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:08:22	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:08:22	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:08:22	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:08:22	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:08:22	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:08:23	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:08:15.154898 End time: 2026-08-05 08:08:23.041236
2026-08-05 08:08:23	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:08:23	INFO	tclean::::casa	##########################################
2026-08-05 08:08:23	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:08:23	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:23	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:08:23	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:08:23	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:08:23 2026******
2026-08-05 08:08:23	INFO	ImageFitter::fit+	
2026-08-05 08:08:23	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:08:23	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:08:23	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:08:23	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:08:23	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:08:23	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:08:23	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:08:23	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:08:23	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:08:23	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:23	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:08:23	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:08:23	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:08:23	INFO	imstat::::casa	##########################################
2026-08-05 08:08:23	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:08:23	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:08:23	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:08:23	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:08:23	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:08:23	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:08:23	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:23	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:08:23	INFO	imstat::::	Values --- 
2026-08-05 08:08:23	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:08:23	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:08:23	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:08:23	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-08-05 08:08:23	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:08:23	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:08:23	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:08:23	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:08:23	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:08:23	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:08:23	INFO	imstat::::	Statistics --- 
2026-08-05 08:08:23	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:08:23	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:08:23	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:08:23	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:08:23	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-08-05 08:08:23	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-08-05 08:08:23	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-08-05 08:08:23	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-08-05 08:08:23	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:08:23	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778264e-05  4.999996e+00
2026-08-05 08:08:23	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:08:23.113592 End time: 2026-08-05 08:08:23.140712
2026-08-05 08:08:23	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:08:23	INFO	imstat::::casa	##########################################
2026-08-05 08:08:23	INFO	phaseshift::::casa	##########################################
2026-08-05 08:08:23	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:08:23	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 0.697578292rad' )
2026-08-05 08:08:23	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:08:23	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:08:23	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:08:23	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:08:23	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:08:23	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:08:23	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:08:23	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:08:23	INFO	MSTransformManager::open	Select data
2026-08-05 08:08:23	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:08:25	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:08:25	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 0.697578292rad' successfully parsed
2026-08-05 08:08:25	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:08:25	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:08:25	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:08:23.157324 End time: 2026-08-05 08:08:25.226958
2026-08-05 08:08:25	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:08:25	INFO	phaseshift::::casa	##########################################
2026-08-05 08:08:25	INFO	tclean::::casa	##########################################
2026-08-05 08:08:25	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:08:25	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:08:25	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:08:25	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:08:25	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:08:25	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:08:25	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:08:25	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:08:25	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:08:25	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:08:25	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:08:25	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:08:25	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:08:25	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:08:26	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:08:26	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022158
2026-08-05 08:08:26	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:08:26	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:08:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:08:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:08:27	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:08:27	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:08:27	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:08:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:08:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:08:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:08:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:08:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:08:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:08:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:08:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:08:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:08:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:08:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:08:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:08:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:08:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:08:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:08:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:08:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:08:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:08:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:08:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:08:31	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:08:31	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:08:31	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:08:31	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:08:32	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:08:32	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:08:25.287007 End time: 2026-08-05 08:08:32.129835
2026-08-05 08:08:32	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:08:32	INFO	tclean::::casa	##########################################
2026-08-05 08:08:32	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:08:32	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:32	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:08:32	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:08:32	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:08:32 2026******
2026-08-05 08:08:32	INFO	ImageFitter::fit+	
2026-08-05 08:08:32	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:08:32	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:08:32	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:08:32	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:08:32	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:08:32	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:08:32	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:08:32	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:08:32	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:08:32	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:32	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:08:32	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:08:32	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:08:32	INFO	imstat::::casa	##########################################
2026-08-05 08:08:32	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:08:32	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:08:32	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:08:32	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:08:32	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:08:32	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:08:32	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:32	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:08:32	INFO	imstat::::	Values --- 
2026-08-05 08:08:32	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:08:32	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:08:32	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:08:32	INFO	imstat::::	         -- minimum value [min]:                    -7.7789e-05 Jy/beam
2026-08-05 08:08:32	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:08:32	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:08:32	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:08:32	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:08:32	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:08:32	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:08:32	INFO	imstat::::	Statistics --- 
2026-08-05 08:08:32	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:08:32	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:08:32	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:08:32	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:08:32	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86647e-05 Jy/beam
2026-08-05 08:08:32	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam
2026-08-05 08:08:32	INFO	imstat::::	        -- IQR [quartile]:                          3.56182e-05 Jy/beam
2026-08-05 08:08:32	INFO	imstat::::	        -- First quartile [q1]:                     -3.45079e-05 Jy/beam
2026-08-05 08:08:32	INFO	imstat::::	        -- Third quartile [q3]:                     1.11022e-06 Jy/beam
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:08:32	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778897e-05  4.999996e+00
2026-08-05 08:08:32	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:08:32.180202 End time: 2026-08-05 08:08:32.206234
2026-08-05 08:08:32	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:08:32	INFO	imstat::::casa	##########################################
2026-08-05 08:08:32	INFO	phaseshift::::casa	##########################################
2026-08-05 08:08:32	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:08:32	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39d58m05.8512' )
2026-08-05 08:08:32	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:08:32	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:08:32	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:08:32	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:08:32	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:08:32	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:08:32	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:08:32	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:08:32	INFO	MSTransformManager::open	Select data
2026-08-05 08:08:32	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:08:35	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:08:35	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 39d58m05.8512' successfully parsed
2026-08-05 08:08:35	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:08:38	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:08:38	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:08:32.219169 End time: 2026-08-05 08:08:37.781114
2026-08-05 08:08:38	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:08:38	INFO	phaseshift::::casa	##########################################
2026-08-05 08:08:38	INFO	tclean::::casa	##########################################
2026-08-05 08:08:38	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:08:38	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:08:38	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:08:38	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:08:38	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:08:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:08:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:08:38	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:08:38	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:08:38	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:08:38	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:08:38	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:08:38	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:08:38	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:08:39	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:08:39	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025968
2026-08-05 08:08:39	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:08:39	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:08:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:08:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:08:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:08:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:08:40	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:08:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:08:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:08:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:08:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:08:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:08:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:08:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:08:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:08:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:08:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:08:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:08:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:08:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:08:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:08:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:08:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:08:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:08:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:08:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:08:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:08:44	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:08:44	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:08:44	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:08:44	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:08:44	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:08:45	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:08:37.837412 End time: 2026-08-05 08:08:44.796009
2026-08-05 08:08:45	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:08:45	INFO	tclean::::casa	##########################################
2026-08-05 08:08:45	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:08:45	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:45	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:08:45	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:08:45	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:08:45 2026******
2026-08-05 08:08:45	INFO	ImageFitter::fit+	
2026-08-05 08:08:45	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:08:45	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:08:45	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:08:45	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:08:45	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:08:45	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:08:45	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:08:45	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:08:45	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:08:45	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:45	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:08:45	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116879 Jy
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126495 Jy
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:08:45	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:08:45	INFO	imstat::::casa	##########################################
2026-08-05 08:08:45	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:08:45	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:08:45	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:08:45	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:08:45	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:08:45	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:08:45	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:45	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:08:45	INFO	imstat::::	Values --- 
2026-08-05 08:08:45	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:08:45	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:08:45	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:08:45	INFO	imstat::::	         -- minimum value [min]:                    -7.77853e-05 Jy/beam
2026-08-05 08:08:45	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:08:45	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:08:45	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:08:45	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:08:45	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:08:45	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:08:45	INFO	imstat::::	Statistics --- 
2026-08-05 08:08:45	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:08:45	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:08:45	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:08:45	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:08:45	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86679e-05 Jy/beam
2026-08-05 08:08:45	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam
2026-08-05 08:08:45	INFO	imstat::::	        -- IQR [quartile]:                          3.56112e-05 Jy/beam
2026-08-05 08:08:45	INFO	imstat::::	        -- First quartile [q1]:                     -3.45109e-05 Jy/beam
2026-08-05 08:08:45	INFO	imstat::::	        -- Third quartile [q3]:                     1.10039e-06 Jy/beam
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:08:45	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778534e-05  4.999996e+00
2026-08-05 08:08:45	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:08:44.858315 End time: 2026-08-05 08:08:44.882859
2026-08-05 08:08:45	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:08:45	INFO	imstat::::casa	##########################################
2026-08-05 08:08:45	INFO	phaseshift::::casa	##########################################
2026-08-05 08:08:45	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:08:45	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 02:39:52.3901' )
2026-08-05 08:08:45	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:08:45	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:08:45	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:08:45	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:08:45	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:08:45	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:08:45	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:08:45	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:08:45	INFO	MSTransformManager::open	Select data
2026-08-05 08:08:45	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:08:46	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-08-05 08:08:46	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 02:39:52.3901' successfully parsed
2026-08-05 08:08:46	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:08:47	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:08:47	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:08:44.898124 End time: 2026-08-05 08:08:46.892272
2026-08-05 08:08:47	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:08:47	INFO	phaseshift::::casa	##########################################
2026-08-05 08:08:47	INFO	tclean::::casa	##########################################
2026-08-05 08:08:47	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:08:47	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:08:47	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:08:47	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:08:47	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:08:47	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:08:47	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:08:47	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:08:47	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:08:47	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:08:47	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:08:47	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:08:47	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:08:47	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:08:48	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:08:48	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027959
2026-08-05 08:08:48	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:08:48	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:08:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:08:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:08:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:08:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:08:49	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:08:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:08:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:08:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:08:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:08:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:08:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:08:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:08:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:08:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:08:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:08:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:08:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:08:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:08:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:08:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:08:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:08:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-08-05 08:08:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:08:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:08:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:08:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:08:53	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:08:53	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:08:53	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:08:54	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:08:54	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:08:54	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:08:46.938252 End time: 2026-08-05 08:08:54.459874
2026-08-05 08:08:54	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:08:54	INFO	tclean::::casa	##########################################
2026-08-05 08:08:54	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:08:54	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:54	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:08:54	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:08:54	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:08:54 2026******
2026-08-05 08:08:54	INFO	ImageFitter::fit+	
2026-08-05 08:08:54	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:08:54	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:08:54	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:08:54	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:08:54	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:08:54	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:08:54	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:08:54	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:08:55	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:08:55	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:55	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:08:55	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116885 Jy
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126501 Jy
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:08:55	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:08:55	INFO	imstat::::casa	##########################################
2026-08-05 08:08:55	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:08:55	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:08:55	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:08:55	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:08:55	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:08:55	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:08:55	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:08:55	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz)
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-08-05 08:08:55	INFO	imstat::::	Values --- 
2026-08-05 08:08:55	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:08:55	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:08:55	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:08:55	INFO	imstat::::	         -- minimum value [min]:                    -7.78268e-05 Jy/beam
2026-08-05 08:08:55	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:08:55	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:08:55	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:08:55	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:08:55	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:08:55	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:08:55	INFO	imstat::::	Statistics --- 
2026-08-05 08:08:55	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:08:55	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:08:55	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:08:55	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:08:55	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.8675e-05 Jy/beam
2026-08-05 08:08:55	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73782e-05 Jy/beam
2026-08-05 08:08:55	INFO	imstat::::	        -- IQR [quartile]:                          3.56598e-05 Jy/beam
2026-08-05 08:08:55	INFO	imstat::::	        -- First quartile [q1]:                     -3.45364e-05 Jy/beam
2026-08-05 08:08:55	INFO	imstat::::	        -- Third quartile [q3]:                     1.12335e-06 Jy/beam
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:08:55	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085647e+02  9.285960e-03  1.524530e-01  1.521711e-01 -7.782676e-05  4.999996e+00
2026-08-05 08:08:55	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:08:54.532258 End time: 2026-08-05 08:08:54.558811
2026-08-05 08:08:55	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:08:55	INFO	imstat::::casa	##########################################
2026-08-05 08:08:55	INFO	phaseshift::::casa	##########################################
2026-08-05 08:08:55	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:08:55	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39.968292000deg' )
2026-08-05 08:08:55	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:08:55	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:08:55	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:08:55	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:08:55	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:08:55	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:08:55	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:08:55	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:08:55	INFO	MSTransformManager::open	Select data
2026-08-05 08:08:55	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:08:56	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:08:56	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 39.968292000deg' successfully parsed
2026-08-05 08:08:56	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:08:57	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:08:57	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:08:54.575465 End time: 2026-08-05 08:08:56.783605
2026-08-05 08:08:57	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:08:57	INFO	phaseshift::::casa	##########################################
2026-08-05 08:08:57	INFO	tclean::::casa	##########################################
2026-08-05 08:08:57	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:08:57	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:08:57	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:08:57	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:08:57	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:08:57	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:08:57	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:08:57	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:08:57	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:08:57	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:08:57	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:08:57	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:08:57	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:08:57	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:08:58	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:08:58	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.026381
2026-08-05 08:08:58	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:08:58	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:08:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:08:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:09:00	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:09:00	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:09:00	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:09:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:09:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:09:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:09:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:09:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:09:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:09:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:09:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:09:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:09:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:09:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:09:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:09:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:09:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:09:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:09:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:09:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:09:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:09:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:09:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:09:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:09:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:09:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:09:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:09:04	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:09:04	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:09:04	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:09:05	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:09:05	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:09:06	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:08:56.836287 End time: 2026-08-05 08:09:05.945659
2026-08-05 08:09:06	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:09:06	INFO	tclean::::casa	##########################################
2026-08-05 08:09:06	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:09:06	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:09:06	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:09:06	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:09:06	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:09:06 2026******
2026-08-05 08:09:06	INFO	ImageFitter::fit+	
2026-08-05 08:09:06	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:09:06	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:09:06	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:09:06	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:09:06	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:09:06	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:09:06	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:09:06	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:09:06	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:09:06	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:09:06	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:09:06	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116879 Jy
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126495 Jy
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:09:06	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:09:06	INFO	imstat::::casa	##########################################
2026-08-05 08:09:06	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:09:06	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:09:06	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:09:06	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:09:06	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:09:06	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:09:06	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:09:06	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:09:06	INFO	imstat::::	Values --- 
2026-08-05 08:09:06	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:09:06	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:09:06	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:09:06	INFO	imstat::::	         -- minimum value [min]:                    -7.77853e-05 Jy/beam
2026-08-05 08:09:06	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:09:06	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:09:06	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:09:06	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:09:06	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:09:06	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:09:06	INFO	imstat::::	Statistics --- 
2026-08-05 08:09:06	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:09:06	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:09:06	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:09:06	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:09:06	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86679e-05 Jy/beam
2026-08-05 08:09:06	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam
2026-08-05 08:09:06	INFO	imstat::::	        -- IQR [quartile]:                          3.56112e-05 Jy/beam
2026-08-05 08:09:06	INFO	imstat::::	        -- First quartile [q1]:                     -3.45109e-05 Jy/beam
2026-08-05 08:09:06	INFO	imstat::::	        -- Third quartile [q3]:                     1.10039e-06 Jy/beam
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:09:06	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778534e-05  4.999996e+00
2026-08-05 08:09:06	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:09:06.024296 End time: 2026-08-05 08:09:06.064177
2026-08-05 08:09:06	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:09:06	INFO	imstat::::casa	##########################################
2026-08-05 08:09:06	INFO	phaseshift::::casa	##########################################
2026-08-05 08:09:06	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-08-05 08:09:06	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 0.697578292rad' )
2026-08-05 08:09:06	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-08-05 08:09:06	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-08-05 08:09:06	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-08-05 08:09:06	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-08-05 08:09:06	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-08-05 08:09:06	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-08-05 08:09:06	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-08-05 08:09:06	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-08-05 08:09:06	INFO	MSTransformManager::open	Select data
2026-08-05 08:09:06	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-08-05 08:09:08	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-08-05 08:09:08	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 0.697578292rad' successfully parsed
2026-08-05 08:09:08	INFO	phaseshift::::casa	Shift phase center
2026-08-05 08:09:08	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-08-05 08:09:08	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-08-05 08:09:06.080808 End time: 2026-08-05 08:09:08.427733
2026-08-05 08:09:08	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-08-05 08:09:08	INFO	phaseshift::::casa	##########################################
2026-08-05 08:09:08	INFO	tclean::::casa	##########################################
2026-08-05 08:09:08	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-08-05 08:09:08	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, fracbw=-1.0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-08-05 08:09:08	INFO	tclean::::casa	Verifying Input Parameters
2026-08-05 08:09:09	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-08-05 08:09:09	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-08-05 08:09:09	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:09:09	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-08-05 08:09:09	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-08-05 08:09:09	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-08-05 08:09:09	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-08-05 08:09:09	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 22.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-08-05 08:09:09	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-08-05 08:09:09	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-08-05 08:09:09	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-08-05 08:09:09	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-08-05 08:09:09	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023366
2026-08-05 08:09:09	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:09:09	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-08-05 08:09:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-08-05 08:09:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-08-05 08:09:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-08-05 08:09:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-08-05 08:09:12	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-08-05 08:09:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:09:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-08-05 08:09:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-08-05 08:09:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-08-05 08:09:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-08-05 08:09:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-08-05 08:09:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:09:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-08-05 08:09:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-08-05 08:09:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-08-05 08:09:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-08-05 08:09:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-08-05 08:09:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:09:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-08-05 08:09:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-08-05 08:09:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-08-05 08:09:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-08-05 08:09:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-08-05 08:09:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-08-05 08:09:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-08-05 08:09:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-08-05 08:09:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-08-05 08:09:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-08-05 08:09:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-08-05 08:09:16	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-08-05 08:09:16	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-08-05 08:09:16	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-08-05 08:09:16	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-08-05 08:09:16	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt']
2026-08-05 08:09:17	INFO	tclean::::casa	Task tclean complete. Start time: 2026-08-05 08:09:08.485297 End time: 2026-08-05 08:09:16.789024
2026-08-05 08:09:17	INFO	tclean::::casa	##### End Task: tclean               #####
2026-08-05 08:09:17	INFO	tclean::::casa	##########################################
2026-08-05 08:09:17	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-08-05 08:09:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:09:17	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-08-05 08:09:17	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-08-05 08:09:17	INFO	ImageFitter::fit	****** Fit performed at Wed Aug 5 08:09:17 2026******
2026-08-05 08:09:17	INFO	ImageFitter::fit+	
2026-08-05 08:09:17	INFO	ImageFitter::fit+	Input parameters ---
2026-08-05 08:09:17	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-08-05 08:09:17	INFO	ImageFitter::fit+	       --- region:              
2026-08-05 08:09:17	INFO	ImageFitter::fit+	       --- channel:             0
2026-08-05 08:09:17	INFO	ImageFitter::fit+	       --- stokes:              I
2026-08-05 08:09:17	INFO	ImageFitter::fit+	       --- mask:                
2026-08-05 08:09:17	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-08-05 08:09:17	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-08-05 08:09:17	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-08-05 08:09:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:09:17	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-08-05 08:09:17	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	Position ---
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	Flux ---
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-08-05 08:09:17	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-08-05 08:09:17	INFO	imstat::::casa	##########################################
2026-08-05 08:09:17	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-08-05 08:09:17	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-08-05 08:09:17	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-08-05 08:09:17	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-08-05 08:09:17	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-08-05 08:09:17	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-08-05 08:09:17	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-08-05 08:09:17	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-08-05 08:09:17	INFO	imstat::::	Values --- 
2026-08-05 08:09:17	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-08-05 08:09:17	INFO	imstat::::	         -- number of points [npts]:                65536
2026-08-05 08:09:17	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-08-05 08:09:17	INFO	imstat::::	         -- minimum value [min]:                    -7.77956e-05 Jy/beam
2026-08-05 08:09:17	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-08-05 08:09:17	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-08-05 08:09:17	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-08-05 08:09:17	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-08-05 08:09:17	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-08-05 08:09:17	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-08-05 08:09:17	INFO	imstat::::	Statistics --- 
2026-08-05 08:09:17	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-08-05 08:09:17	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-08-05 08:09:17	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-08-05 08:09:17	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-08-05 08:09:17	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86648e-05 Jy/beam
2026-08-05 08:09:17	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73536e-05 Jy/beam
2026-08-05 08:09:17	INFO	imstat::::	        -- IQR [quartile]:                          3.5639e-05 Jy/beam
2026-08-05 08:09:17	INFO	imstat::::	        -- First quartile [q1]:                     -3.45152e-05 Jy/beam
2026-08-05 08:09:17	INFO	imstat::::	        -- Third quartile [q3]:                     1.12373e-06 Jy/beam
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-08-05 08:09:17	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.779562e-05  4.999996e+00
2026-08-05 08:09:17	INFO	imstat::::casa	Task imstat complete. Start time: 2026-08-05 08:09:16.861183 End time: 2026-08-05 08:09:16.895281
2026-08-05 08:09:17	INFO	imstat::::casa	##### End Task: imstat               #####
2026-08-05 08:09:17	INFO	imstat::::casa	##########################################
.
----------------------------------------------------------------------
Ran 27 tests in 1194.807s

OK

Generating XML reports...