2026-07-03 07:12:12	INFO	::casa	Using user configuration file /home/casatest/.casa/config.py
2026-07-03 07:12:12	INFO	::casa	loaded config file : /wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casaconfig/config.py
2026-07-03 07:12:12	INFO	::casa	loaded config file : /home/casatest/.casa/config.py
2026-07-03 07:12:12	INFO	::casa	
2026-07-03 07:12:12	INFO	::casa	config values
2026-07-03 07:12:12	INFO	::casa	    agg = False
2026-07-03 07:12:12	INFO	::casa	    cachedir = '/home/casatest/.casa'
2026-07-03 07:12:12	INFO	::casa	    casaconfig_verbose = 1
2026-07-03 07:12:12	INFO	::casa	    colors = 'Neutral'
2026-07-03 07:12:12	INFO	::casa	    data_auto_update = False
2026-07-03 07:12:12	INFO	::casa	    data_update_interval = 1
2026-07-03 07:12:12	INFO	::casa	    datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata']
2026-07-03 07:12:12	INFO	::casa	    iplog = False
2026-07-03 07:12:12	INFO	::casa	    iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/ipython-20260703-071206.log'
2026-07-03 07:12:12	INFO	::casa	    log2term = True
2026-07-03 07:12:12	INFO	::casa	    logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/casa-20260703-071206.log'
2026-07-03 07:12:12	INFO	::casa	    measures_auto_update = False
2026-07-03 07:12:12	INFO	::casa	    measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/']
2026-07-03 07:12:12	INFO	::casa	    measures_site_interval = 2
2026-07-03 07:12:12	INFO	::casa	    measures_update_interval = 1
2026-07-03 07:12:12	INFO	::casa	    measurespath = '/opt/casa/data/master'
2026-07-03 07:12:12	INFO	::casa	    nogui = False
2026-07-03 07:12:12	INFO	::casa	    nologfile = False
2026-07-03 07:12:12	INFO	::casa	    nologger = True
2026-07-03 07:12:12	INFO	::casa	    pipeline = False
2026-07-03 07:12:12	INFO	::casa	    skipnetworkcheck = False
2026-07-03 07:12:12	INFO	::casa	    startupfile = '/home/casatest/.casa/startup.py'
2026-07-03 07:12:12	INFO	::casa	    user_site = False
2026-07-03 07:12:12	INFO	::casa	
2026-07-03 07:12:12	INFO	::casa	casarundata version is unknown, this is probably a legacy version not installed by casaconfig
2026-07-03 07:12:12	INFO	::casa	measures version is unknown, this is probably a legacy version not installed by casaconfig
2026-07-03 07:12:12	INFO	::casa	
2026-07-03 07:12:12	INFO	::casa	Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic
2026-07-03 07:12:12	INFO	::casa	  IERSeop2000 (version date, last date in table (UTC)): 2026/07/02/15:15, 2026/06/02/00:00:00
2026-07-03 07:12:12	INFO	::casa	  IERSeop97 (version date, last date in table (UTC)): 2026/07/02/15:15, 2026/06/02/00:00:00
2026-07-03 07:12:12	INFO	::casa	  IERSpredict (version date, last date in table (UTC)): 2026/07/02/15:15, 2026/09/30/00:00:00
2026-07-03 07:12:12	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 6.7.6.9 -- Common Astronomy Software Applications [6.7.6.9]
2026-07-03 07:12:12	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:12	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:12:12	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'} )
2026-07-03 07:12:12	INFO	MSTransformManager::parseMsSpecParams	Input file name is /opt/casa/data/casatestdata/unittest/phaseshift/split11.ms
2026-07-03 07:12:12	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:12:12	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshift11.ms
2026-07-03 07:12:12	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:12:12	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:12:12	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:12:12	INFO	MSTransformManager::open	Select data
2026-07-03 07:12:12	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:12:16	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-07-03 07:12:16	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 1h27m38.337s +5d25m38.886s' successfully parsed for field 0
2026-07-03 07:12:16	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:12:17	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:12:17	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:12:11.848009 End time: 2026-07-03 07:12:17.158372
2026-07-03 07:12:17	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:12:17	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:12:17	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:17	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:12:17	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'} )
2026-07-03 07:12:17	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-07-03 07:12:17	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:12:17	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-07-03 07:12:17	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:12:17	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:12:17	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:12:17	INFO	MSTransformManager::open	Select data
2026-07-03 07:12:17	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:12:20	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-07-03 07:12:20	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 19h53m50 40d06m00' successfully parsed for field 0
2026-07-03 07:12:20	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 22h01m02 40d04m03' successfully parsed for field 2
2026-07-03 07:12:20	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:12:22	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:12:22	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:12:17.240811 End time: 2026-07-03 07:12:21.556404
2026-07-03 07:12:22	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:12:22	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:12:22	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:22	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:12:22	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'} )
2026-07-03 07:12:22	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-07-03 07:12:22	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:12:22	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-07-03 07:12:22	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:12:22	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:12:22	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:12:22	INFO	MSTransformManager::open	Select data
2026-07-03 07:12:22	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:12:26	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-07-03 07:12:26	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0
2026-07-03 07:12:26	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2
2026-07-03 07:12:26	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-07-03 07:12:26	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-07-03 07:12:26	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'] )
2026-07-03 07:12:26	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:12:26	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-07-03 07:12:26	INFO	phaseshift::::casa+	    mtlocal.open()
2026-07-03 07:12:26	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-07-03 07:12:26	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-07-03 07:12:26	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:12:26	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open
2026-07-03 07:12:26	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-07-03 07:12:26	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:12:26	INFO	phaseshift::::casa+	RuntimeError: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2
2026-07-03 07:12:26	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:12:21.675816 End time: 2026-07-03 07:12:26.023576
2026-07-03 07:12:26	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:12:26	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:12:26	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:26	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:12:26	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'} )
2026-07-03 07:12:26	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-07-03 07:12:26	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:12:26	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-07-03 07:12:26	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:12:26	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:12:26	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:12:26	INFO	MSTransformManager::open	Select data
2026-07-03 07:12:26	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:12:30	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-07-03 07:12:30	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0
2026-07-03 07:12:30	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:12:31	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:12:31	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:12:26.099239 End time: 2026-07-03 07:12:31.313050
2026-07-03 07:12:31	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:12:31	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:12:31	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:31	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:12:31	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'} )
2026-07-03 07:12:31	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-07-03 07:12:31	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:12:31	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-07-03 07:12:31	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:12:31	INFO	MSTransformManager::parseDataSelParams	field selection is 0,2
2026-07-03 07:12:31	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:12:31	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:12:31	INFO	MSTransformManager::open	Select data
2026-07-03 07:12:31	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:12:31	INFO	MSTransformDataHandler::makeSelection	11536 out of 15344 rows are going to be considered due to the selection criteria.
2026-07-03 07:12:35	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-07-03 07:12:35	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 1
2026-07-03 07:12:35	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 22h01m02 40d04m03' successfully parsed for field 2
2026-07-03 07:12:35	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:12:36	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:12:36	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:12:31.442744 End time: 2026-07-03 07:12:36.103356
2026-07-03 07:12:36	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:12:36	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:12:36	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:36	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:12:36	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'} )
2026-07-03 07:12:36	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-07-03 07:12:36	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:12:36	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-07-03 07:12:36	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:12:36	INFO	MSTransformManager::parseDataSelParams	field selection is 0,2
2026-07-03 07:12:36	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:12:36	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:12:36	INFO	MSTransformManager::open	Select data
2026-07-03 07:12:36	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:12:36	INFO	MSTransformDataHandler::makeSelection	11536 out of 15344 rows are going to be considered due to the selection criteria.
2026-07-03 07:12:41	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-07-03 07:12:41	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m50 40d06m00' successfully parsed for field 0
2026-07-03 07:12:41	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 22h01m02 40d04m03' successfully parsed for field 2
2026-07-03 07:12:41	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:12:42	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:12:42	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:12:36.214087 End time: 2026-07-03 07:12:41.787757
2026-07-03 07:12:42	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:12:42	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:12:42	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:42	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:12:42	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='J2000 19h53m50 40d06m00' )
2026-07-03 07:12:42	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-07-03 07:12:42	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:12:42	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-07-03 07:12:42	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:12:42	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:12:42	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:12:42	INFO	MSTransformManager::open	Select data
2026-07-03 07:12:42	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:12:46	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:12:46	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-07-03 07:12:46	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:12:47	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:12:47	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:12:41.878905 End time: 2026-07-03 07:12:46.953950
2026-07-03 07:12:47	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:12:47	INFO	phaseshift::::casa	##########################################
..2026-07-03 07:12:47	INFO	MeasIERS::fillMeas(MeasIERS::Files, Double) 	Requested JD 0 is outside the range of the IERS (Earth axis data) table.
2026-07-03 07:12:47	INFO	MeasIERS::fillMeas(MeasIERS::Files, Double) +	Calculations will proceed with less precision
..2026-07-03 07:12:47	SEVERE		Error in QuantumHolder::fromString with input string "xxh53m50": Illegal input units or format
2026-07-03 07:12:47	SEVERE	+	 in converting quantity from string 
2026-07-03 07:12:47	SEVERE		Exception Reported: Empty QuantumHolder argument for asQuantumDouble
2026-07-03 07:12:47	SEVERE		Exception Reports: Empty QuantumHolder argument for asQuantumDouble
2026-07-03 07:12:47	SEVERE	phaseshift::::casa	*** Error measures.direction() failed for phasecenter string: BOGUS xxh53m50 40d06m00 when interpreting parameter 'phasecenter': 
...2026-07-03 07:12:49	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:49	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:12:49	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' )
2026-07-03 07:12:49	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-07-03 07:12:49	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:12:49	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:12:49	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:12:49	INFO	MSTransformManager::parseDataSelParams	array selection is 1
2026-07-03 07:12:49	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:12:49	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:12:49	INFO	MSTransformManager::open	Select data
2026-07-03 07:12:49	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:12:49	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows.
2026-07-03 07:12:49	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-07-03 07:12:49	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-07-03 07:12:49	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'] )
2026-07-03 07:12:49	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:12:49	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-07-03 07:12:49	INFO	phaseshift::::casa+	    mtlocal.open()
2026-07-03 07:12:49	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-07-03 07:12:49	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-07-03 07:12:49	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:12:49	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open
2026-07-03 07:12:49	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-07-03 07:12:49	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:12:49	INFO	phaseshift::::casa+	RuntimeError: MSSelectionNullSelection : The selected table has zero rows.
2026-07-03 07:12:49	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:12:48.868849 End time: 2026-07-03 07:12:48.911109
2026-07-03 07:12:49	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:12:49	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:49	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:49	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:12:49	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' )
2026-07-03 07:12:49	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-07-03 07:12:49	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:12:49	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:12:49	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:12:49	INFO	MSTransformManager::parseDataSelParams	array selection is 0
2026-07-03 07:12:49	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:12:49	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:12:49	INFO	MSTransformManager::open	Select data
2026-07-03 07:12:49	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:12:51	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-07-03 07:12:51	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-07-03 07:12:53	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:12:53	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-07-03 07:12:53	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:12:54	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:12:54	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:12:48.912153 End time: 2026-07-03 07:12:54.124070
2026-07-03 07:12:54	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:12:54	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:12:55	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:55	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:12:55	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' )
2026-07-03 07:12:55	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-07-03 07:12:55	INFO	MSTransformManager::parseMsSpecParams	Data column is MODEL
2026-07-03 07:12:55	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:12:55	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:12:55	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:12:55	WARN	MSTransformManager::checkDataColumnsToFill	MODEL_DATA column requested but not available in input MS 
2026-07-03 07:12:55	INFO	MSTransformManager::open	Select data
2026-07-03 07:12:55	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:12:55	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).
2026-07-03 07:12:55	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-07-03 07:12:55	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-07-03 07:12:55	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'] )
2026-07-03 07:12:55	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:12:55	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-07-03 07:12:55	INFO	phaseshift::::casa+	    mtlocal.open()
2026-07-03 07:12:55	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-07-03 07:12:55	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-07-03 07:12:55	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:12:55	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open
2026-07-03 07:12:55	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-07-03 07:12:55	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:12:55	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).
2026-07-03 07:12:55	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:12:55.086990 End time: 2026-07-03 07:12:55.120760
2026-07-03 07:12:55	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:12:55	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:55	INFO	phaseshift::::casa	##########################################
2026-07-03 07:12:55	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:12:55	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' )
2026-07-03 07:12:55	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-07-03 07:12:55	INFO	MSTransformManager::parseMsSpecParams	Data column is DATA
2026-07-03 07:12:55	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:12:55	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:12:55	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:12:55	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:12:55	INFO	MSTransformManager::open	Select data
2026-07-03 07:12:55	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:12:58	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-07-03 07:12:58	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-07-03 07:13:00	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:13:00	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-07-03 07:13:00	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:13:00	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:13:00	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:12:55.121911 End time: 2026-07-03 07:13:00.416271
2026-07-03 07:13:00	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:13:00	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:13:01	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:01	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:13:01	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' )
2026-07-03 07:13:02	INFO	MSTransformManager::parseMsSpecParams	Input file name is Itziar_copy.ms
2026-07-03 07:13:02	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:13:02	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:13:02	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:13:02	INFO	MSTransformManager::parseDataSelParams	field selection is 2
2026-07-03 07:13:02	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:13:02	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:13:02	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:13:02	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:13:02	INFO	MSTransformManager::open	Select data
2026-07-03 07:13:02	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:13:02	INFO	MSTransformDataHandler::makeSelection	6125 out of 245000 rows are going to be considered due to the selection criteria.
2026-07-03 07:13:04	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:13:04	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 00h00m01 -29d55m40' successfully parsed
2026-07-03 07:13:04	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:13:05	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:13:05	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:13:01.490635 End time: 2026-07-03 07:13:05.314944
2026-07-03 07:13:05	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:13:05	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:13:06	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:06	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:13:06	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' )
2026-07-03 07:13:06	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-07-03 07:13:06	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:13:06	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:13:06	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:13:06	INFO	MSTransformManager::parseDataSelParams	scan intent selection is *FLUX*
2026-07-03 07:13:06	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:13:06	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:13:06	INFO	MSTransformManager::open	Select data
2026-07-03 07:13:06	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:13:06	INFO	MSTransformDataHandler::makeSelection	570 out of 6270 rows are going to be considered due to the selection criteria.
2026-07-03 07:13:09	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-07-03 07:13:09	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-07-03 07:13:12	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:13:12	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-07-03 07:13:12	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:13:12	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:13:12	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:13:06.310971 End time: 2026-07-03 07:13:12.348262
2026-07-03 07:13:12	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:13:12	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:13:13	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:13	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:13:13	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' )
2026-07-03 07:13:13	INFO	MSTransformManager::parseMsSpecParams	Input file name is mms_copy.mms
2026-07-03 07:13:13	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:13:13	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:13:13	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:13:13	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:13:13	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:13:13	INFO	MSTransformManager::open	Select data
2026-07-03 07:13:13	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:13:17	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:13:17	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 05h30m48 13d31m48' successfully parsed
2026-07-03 07:13:17	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:13:18	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:13:18	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:13:13.401142 End time: 2026-07-03 07:13:17.677597
2026-07-03 07:13:18	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:13:18	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:13:19	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:19	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:13:19	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' )
2026-07-03 07:13:19	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-07-03 07:13:19	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:13:19	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:13:19	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:13:19	INFO	MSTransformManager::parseDataSelParams	observation selection is 1
2026-07-03 07:13:19	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:13:19	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:13:19	INFO	MSTransformManager::open	Select data
2026-07-03 07:13:19	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:13:19	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows.
2026-07-03 07:13:19	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-07-03 07:13:19	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-07-03 07:13:19	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'] )
2026-07-03 07:13:19	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:13:19	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-07-03 07:13:19	INFO	phaseshift::::casa+	    mtlocal.open()
2026-07-03 07:13:19	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-07-03 07:13:19	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-07-03 07:13:19	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:13:19	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open
2026-07-03 07:13:19	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-07-03 07:13:19	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:13:19	INFO	phaseshift::::casa+	RuntimeError: MSSelectionNullSelection : The selected table has zero rows.
2026-07-03 07:13:19	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:13:18.657981 End time: 2026-07-03 07:13:18.700950
2026-07-03 07:13:19	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:13:19	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:19	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:19	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:13:19	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' )
2026-07-03 07:13:19	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-07-03 07:13:19	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:13:19	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:13:19	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:13:19	INFO	MSTransformManager::parseDataSelParams	observation selection is 0
2026-07-03 07:13:19	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:13:19	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:13:19	INFO	MSTransformManager::open	Select data
2026-07-03 07:13:19	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:13:22	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-07-03 07:13:22	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-07-03 07:13:23	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:13:23	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-07-03 07:13:23	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:13:24	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:13:25	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:13:18.702037 End time: 2026-07-03 07:13:24.500576
2026-07-03 07:13:25	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:13:25	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:13:26	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:26	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:13:26	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-07-03 07:13:26	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-07-03 07:13:26	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:13:26	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:13:26	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:13:26	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:13:26	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:13:26	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:13:26	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:13:26	INFO	MSTransformManager::open	Select data
2026-07-03 07:13:26	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:13:29	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:13:29	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-07-03 07:13:29	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:13:31	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:13:31	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:13:25.575237 End time: 2026-07-03 07:13:30.707465
2026-07-03 07:13:31	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:13:31	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:13:32	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:32	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:13:32	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='' )
2026-07-03 07:13:32	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: phasecenter parameter must be specified
2026-07-03 07:13:32	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-07-03 07:13:32	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-07-03 07:13:32	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'] )
2026-07-03 07:13:32	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-07-03 07:13:32	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.6-9-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 31, in phaseshift
2026-07-03 07:13:32	INFO	phaseshift::::casa+	    raise ValueError("phasecenter parameter must be specified")
2026-07-03 07:13:32	INFO	phaseshift::::casa+	ValueError: phasecenter parameter must be specified
2026-07-03 07:13:32	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:13:31.683496 End time: 2026-07-03 07:13:31.684829
2026-07-03 07:13:32	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:13:32	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:32	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:32	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:13:32	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' )
2026-07-03 07:13:32	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-07-03 07:13:32	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:13:32	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:13:32	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:13:32	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:13:32	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:13:32	INFO	MSTransformManager::open	Select data
2026-07-03 07:13:32	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:13:35	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-07-03 07:13:35	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-07-03 07:13:36	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:13:36	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -08d23m35' successfully parsed
2026-07-03 07:13:36	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:13:37	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:13:37	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:13:31.685835 End time: 2026-07-03 07:13:37.196433
2026-07-03 07:13:37	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:13:37	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:13:38	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:38	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:13:38	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='00h06m14 -08d23m35' )
2026-07-03 07:13:38	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-07-03 07:13:38	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:13:38	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:13:38	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:13:38	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:13:38	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:13:38	INFO	MSTransformManager::open	Select data
2026-07-03 07:13:38	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:13:41	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-07-03 07:13:41	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-07-03 07:13:43	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:13:43	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center '00h06m14 -08d23m35' successfully parsed
2026-07-03 07:13:43	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:13:44	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:13:44	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:13:38.277615 End time: 2026-07-03 07:13:43.967637
2026-07-03 07:13:44	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:13:44	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:13:45	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:45	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:13:45	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' )
2026-07-03 07:13:45	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-07-03 07:13:45	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:13:45	INFO	MSTransformManager::parseMsSpecParams	Output file name is post_phaseshift.ms
2026-07-03 07:13:45	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:13:45	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:13:45	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:13:45	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:13:45	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:13:45	INFO	MSTransformManager::open	Select data
2026-07-03 07:13:45	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:13:48	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:13:48	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-07-03 07:13:48	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:13:50	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:13:50	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:13:44.996442 End time: 2026-07-03 07:13:49.934877
2026-07-03 07:13:50	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:13:50	INFO	phaseshift::::casa	##########################################
2026-07-03 07:13:50	INFO	tclean::::casa	##########################################
2026-07-03 07:13:50	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:13:50	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, 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 )
2026-07-03 07:13:50	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:13:50	INFO	SynthesisImagerVi2::selectData 	MS : datacopy.ms | [Opened in readonly mode]
2026-07-03 07:13:50	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 63180
2026-07-03 07:13:50	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_pre] : 
2026-07-03 07:13:50	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_pre] : 
2026-07-03 07:13:50	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:13:50	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09]
2026-07-03 07:13:50	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im2_pre] with ftmachine : wprojectft
2026-07-03 07:13:50	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:13:50	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:13:50	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im2_pre] : hogbom
2026-07-03 07:13:50	INFO	SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:13:51	INFO	WPConvFunc::findConvFunction	W projection using 128 planes
2026-07-03 07:13:51	INFO	WPConvFunc::findConvFunction	Using maximum possible W = 10313.2 (wavelengths)
2026-07-03 07:13:51	INFO	WPConvFunc::findConvFunction	Typical wavelength = 0.299796 (m)
2026-07-03 07:13:51	INFO	WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.639422 wavelengths per pixel
2026-07-03 07:14:15	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
2026-07-03 07:14:15	INFO	WPConvFunc::findConvFunction	Memory used in gridding function = 7 MB from maximum 15884 MB

0%....10....20....30....40....50....60....70....80....90....100%
2026-07-03 07:14:54	INFO	SIImageStore::calcSensitivity 	[im2_pre] Theoretical sensitivity (Jy/bm):0.00204403 
2026-07-03 07:14:54	INFO	SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.09687
2026-07-03 07:14:54	INFO	SIImageStore::printBeamSet 	Beam : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg
2026-07-03 07:14:54	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:14:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:14:58	INFO	task_tclean::SDAlgorithmBase::restore 	[im2_pre] : Restoring model image.
2026-07-03 07:14:58	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.
2026-07-03 07:14:59	INFO	task_tclean::SIImageStore::restore 	Beam for chan : 0 : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg
2026-07-03 07:14:59	INFO	tclean::::casa	Searching for images with prefix 'im2_pre'... Found these, writing history into them: ['im2_pre.image', 'im2_pre.sumwt', 'im2_pre.residual', 'im2_pre.model', 'im2_pre.psf', 'im2_pre.pb']
2026-07-03 07:15:00	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:13:50.018200 End time: 2026-07-03 07:15:00.072131
2026-07-03 07:15:00	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:15:00	INFO	tclean::::casa	##########################################
2026-07-03 07:15:00	INFO	tclean::::casa	##########################################
2026-07-03 07:15:00	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:15:00	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, 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 )
2026-07-03 07:15:00	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:15:00	INFO	SynthesisImagerVi2::selectData 	MS : post_phaseshift.ms | [Opened in readonly mode]
2026-07-03 07:15:00	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 63180
2026-07-03 07:15:00	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift] : 
2026-07-03 07:15:00	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift] : 
2026-07-03 07:15:00	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:15:00	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09]
2026-07-03 07:15:00	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im2_post_phaseshift] with ftmachine : wprojectft
2026-07-03 07:15:00	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 10.85 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:15:00	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:15:00	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im2_post_phaseshift] : hogbom
2026-07-03 07:15:00	INFO	SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:15:01	INFO	WPConvFunc::findConvFunction	W projection using 128 planes
2026-07-03 07:15:01	INFO	WPConvFunc::findConvFunction	Using maximum possible W = 10313.2 (wavelengths)
2026-07-03 07:15:01	INFO	WPConvFunc::findConvFunction	Typical wavelength = 0.299796 (m)
2026-07-03 07:15:01	INFO	WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.639422 wavelengths per pixel
2026-07-03 07:15:24	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
2026-07-03 07:15:24	INFO	WPConvFunc::findConvFunction	Memory used in gridding function = 7 MB from maximum 15884 MB
2026-07-03 07:15:29	INFO	SIImageStore::calcSensitivity 	[im2_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00204403 
2026-07-03 07:15:29	INFO	SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.081799
2026-07-03 07:15:29	INFO	SIImageStore::printBeamSet 	Beam : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg
2026-07-03 07:15:29	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:15:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:15:33	INFO	task_tclean::SDAlgorithmBase::restore 	[im2_post_phaseshift] : Restoring model image.
2026-07-03 07:15:33	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.
2026-07-03 07:15:35	INFO	task_tclean::SIImageStore::restore 	Beam for chan : 0 : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg
2026-07-03 07:15:35	INFO	tclean::::casa	Searching for images with prefix 'im2_post_phaseshift'... Found these, writing history into them: ['im2_post_phaseshift.sumwt', 'im2_post_phaseshift.model', 'im2_post_phaseshift.residual', 'im2_post_phaseshift.pb', 'im2_post_phaseshift.psf', 'im2_post_phaseshift.image']
2026-07-03 07:15:36	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:15:00.118571 End time: 2026-07-03 07:15:36.057647
2026-07-03 07:15:36	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:15:36	INFO	tclean::::casa	##########################################
2026-07-03 07:15:36	INFO	tclean::::casa	##########################################
2026-07-03 07:15:36	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:15:36	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, 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 )
2026-07-03 07:15:36	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:15:36	INFO	SynthesisImagerVi2::selectData 	MS : post_phaseshift.ms | [Opened in readonly mode]
2026-07-03 07:15:36	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 63180
2026-07-03 07:15:36	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 
2026-07-03 07:15:36	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 
2026-07-03 07:15:36	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:15:36	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09]
2026-07-03 07:15:36	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im2_post_phaseshift_tclean_phasecenter] with ftmachine : wprojectft
2026-07-03 07:15:36	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:15:36	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:15:36	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im2_post_phaseshift_tclean_phasecenter] : hogbom
2026-07-03 07:15:36	INFO	SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:15:37	INFO	WPConvFunc::findConvFunction	W projection using 128 planes
2026-07-03 07:15:37	INFO	WPConvFunc::findConvFunction	Using maximum possible W = 10313.2 (wavelengths)
2026-07-03 07:15:37	INFO	WPConvFunc::findConvFunction	Typical wavelength = 0.299796 (m)
2026-07-03 07:15:37	INFO	WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.639422 wavelengths per pixel
2026-07-03 07:16:00	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
2026-07-03 07:16:00	INFO	WPConvFunc::findConvFunction	Memory used in gridding function = 7 MB from maximum 15884 MB

0%....10....20....30....40....50....60....70....80....90....100%
2026-07-03 07:16:10	INFO	SIImageStore::calcSensitivity 	[im2_post_phaseshift_tclean_phasecenter] Theoretical sensitivity (Jy/bm):0.00204403 
2026-07-03 07:16:10	INFO	SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.08533
2026-07-03 07:16:10	INFO	SIImageStore::printBeamSet 	Beam : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg
2026-07-03 07:16:11	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:16:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:16:14	INFO	task_tclean::SDAlgorithmBase::restore 	[im2_post_phaseshift_tclean_phasecenter] : Restoring model image.
2026-07-03 07:16:14	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.
2026-07-03 07:16:15	INFO	task_tclean::SIImageStore::restore 	Beam for chan : 0 : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg
2026-07-03 07:16:15	INFO	tclean::::casa	Searching for images with prefix 'im2_post_phaseshift_tclean_phasecenter'... Found these, writing history into them: ['im2_post_phaseshift_tclean_phasecenter.model', 'im2_post_phaseshift_tclean_phasecenter.image', 'im2_post_phaseshift_tclean_phasecenter.residual', 'im2_post_phaseshift_tclean_phasecenter.sumwt', 'im2_post_phaseshift_tclean_phasecenter.pb', 'im2_post_phaseshift_tclean_phasecenter.psf']
2026-07-03 07:16:17	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:15:36.094907 End time: 2026-07-03 07:16:16.547772
2026-07-03 07:16:17	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:16:17	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}
.2026-07-03 07:16:18	INFO	phaseshift::::casa	##########################################
2026-07-03 07:16:18	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:16:18	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' )
2026-07-03 07:16:18	INFO	MSTransformManager::parseMsSpecParams	Input file name is ngc_copy.ms
2026-07-03 07:16:18	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:16:18	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:16:18	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:16:18	INFO	MSTransformManager::parseDataSelParams	spw selection is 1
2026-07-03 07:16:18	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:16:18	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:16:18	INFO	MSTransformManager::initDataSelectionParams	Selected SPWs Ids are Axis Lengths: [1, 4]  (NB: Matrix in Row/Column order)
2026-07-03 07:16:18	INFO	MSTransformManager::initDataSelectionParams+	[1, 0, 4, 1]
2026-07-03 07:16:18	INFO	MSTransformManager::open	Select data
2026-07-03 07:16:18	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:16:18	INFO	MSTransformDataHandler::makeSelection	13338 out of 26676 rows are going to be considered due to the selection criteria.
2026-07-03 07:16:21	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:16:21	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 23h11m54 61d10m54' successfully parsed
2026-07-03 07:16:21	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:16:22	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:16:22	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:16:17.875205 End time: 2026-07-03 07:16:22.044301
2026-07-03 07:16:22	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:16:22	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:16:23	INFO	phaseshift::::casa	##########################################
2026-07-03 07:16:23	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:16:23	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-07-03 07:16:23	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-07-03 07:16:23	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:16:23	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-07-03 07:16:23	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:16:23	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:16:23	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:16:23	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:16:23	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:16:23	INFO	MSTransformManager::open	Select data
2026-07-03 07:16:23	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:16:26	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:16:26	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-07-03 07:16:26	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:16:28	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:16:28	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:16:23.005631 End time: 2026-07-03 07:16:28.214160
2026-07-03 07:16:28	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:16:28	INFO	phaseshift::::casa	##########################################
.2026-07-03 07:16:28	INFO	phaseshift::::casa	##########################################
2026-07-03 07:16:28	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:16:28	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' )
2026-07-03 07:16:29	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:16:29	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:16:29	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:16:29	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:16:29	INFO	MSTransformManager::parseDataSelParams	field selection is 0
2026-07-03 07:16:29	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:16:29	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:16:29	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:16:29	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:16:29	INFO	MSTransformManager::open	Select data
2026-07-03 07:16:29	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:16:29	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-07-03 07:16:32	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:16:32	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed
2026-07-03 07:16:32	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:16:32	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:16:32	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:16:28.491360 End time: 2026-07-03 07:16:32.404769
2026-07-03 07:16:32	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:16:32	INFO	phaseshift::::casa	##########################################
2026-07-03 07:16:32	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-07-03 07:16:32	INFO	tclean::::casa	##########################################
2026-07-03 07:16:32	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:16:32	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, 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 )
2026-07-03 07:16:32	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:16:32	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:16:32	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-07-03 07:16:33	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:16:33	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:16:33	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:16:33	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07]
2026-07-03 07:16:33	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:16:33	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:16:33	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:16:33	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:16:33	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:16:34	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-07-03 07:16:34	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022879
2026-07-03 07:16:34	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-07-03 07:16:34	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:16:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:16:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:16:36	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:16:36	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:16:36	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:16:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:16:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3
2026-07-03 07:16:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:16:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:16:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:16:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:16:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:16:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3
2026-07-03 07:16:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold.
2026-07-03 07:16:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:16:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:16:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053
2026-07-03 07:16:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:16:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3
2026-07-03 07:16:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold.
2026-07-03 07:16:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:16:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:16:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184
2026-07-03 07:16:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:16:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3
2026-07-03 07:16:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter.
2026-07-03 07:16:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:16:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:16:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276
2026-07-03 07:16:42	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:16:42	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:16:42	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:16:43	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-07-03 07:16:44	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:16:45	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:16:32.480068 End time: 2026-07-03 07:16:44.863938
2026-07-03 07:16:45	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:16:45	INFO	tclean::::casa	##########################################
2026-07-03 07:16:45	INFO	imstat::::casa	##########################################
2026-07-03 07:16:45	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:16:45	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 )
2026-07-03 07:16:45	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:16:45	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:16:45	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:16:45	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:16:45	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:16:45	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)
2026-07-03 07:16:45	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:16:45	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:16:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:16:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:16:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz
2026-07-03 07:16:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz
2026-07-03 07:16:45	INFO	imstat::::	Values --- 
2026-07-03 07:16:45	INFO	imstat::::	         -- flux density [flux]:                    4.99409 Jy
2026-07-03 07:16:45	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:16:45	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:16:45	INFO	imstat::::	         -- minimum value [min]:                    -0.00012283 Jy/beam
2026-07-03 07:16:45	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 124, 0, 0]
2026-07-03 07:16:45	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [100, 55, 0, 0]
2026-07-03 07:16:45	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz
2026-07-03 07:16:45	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz
2026-07-03 07:16:45	INFO	imstat::::	         -- Sum of pixel values [sum]:               605.961 Jy/beam
2026-07-03 07:16:45	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1516.75 Jy/beam.Jy/beam
2026-07-03 07:16:45	INFO	imstat::::	Statistics --- 
2026-07-03 07:16:45	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00924623 Jy/beam
2026-07-03 07:16:45	INFO	imstat::::	        -- Variance of the pixel values :           0.0230586 Jy/beam
2026-07-03 07:16:45	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.15185 Jy/beam
2026-07-03 07:16:45	INFO	imstat::::	        -- Root mean square [rms]:                  0.152131 Jy/beam
2026-07-03 07:16:45	INFO	imstat::::	        -- Median of the pixel values [median]:     -2.09007e-05 Jy/beam
2026-07-03 07:16:45	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam
2026-07-03 07:16:45	INFO	imstat::::	        -- IQR [quartile]:                          6.1616e-05 Jy/beam
2026-07-03 07:16:45	INFO	imstat::::	        -- First quartile [q1]:                     -4.79744e-05 Jy/beam
2026-07-03 07:16:45	INFO	imstat::::	        -- Third quartile [q3]:                     1.36416e-05 Jy/beam
2026-07-03 07:16:45	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:16:45	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:16:45	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:16:45	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:16:45	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:16:45	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:16:45	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
2026-07-03 07:16:45	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:16:44.883965 End time: 2026-07-03 07:16:44.912718
2026-07-03 07:16:45	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:16:45	INFO	imstat::::casa	##########################################
2026-07-03 07:16:45	INFO	phaseshift::::casa	##########################################
2026-07-03 07:16:45	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:16:45	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' )
2026-07-03 07:16:45	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:16:45	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:16:45	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:16:45	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:16:45	INFO	MSTransformManager::parseDataSelParams	field selection is fake
2026-07-03 07:16:45	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:16:45	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:16:45	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:16:45	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:16:45	INFO	MSTransformManager::open	Select data
2026-07-03 07:16:45	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:16:45	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-07-03 07:16:48	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:16:48	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed
2026-07-03 07:16:48	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:16:49	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:16:49	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:16:44.924647 End time: 2026-07-03 07:16:48.786573
2026-07-03 07:16:49	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:16:49	INFO	phaseshift::::casa	##########################################
2026-07-03 07:16:49	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data.ms...
2026-07-03 07:16:49	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-07-03 07:16:49	INFO	tclean::::casa	##########################################
2026-07-03 07:16:49	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:16:49	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, 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 )
2026-07-03 07:16:49	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:16:49	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:16:49	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-07-03 07:16:49	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:16:49	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:16:49	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:16:49	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07]
2026-07-03 07:16:49	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:16:49	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:16:49	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:16:49	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:16:49	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:16:50	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-07-03 07:16:50	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024136
2026-07-03 07:16:50	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-07-03 07:16:50	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:16:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:16:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:16:52	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:16:52	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:16:52	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:16:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:16:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3
2026-07-03 07:16:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:16:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:16:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:16:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:16:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:16:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3
2026-07-03 07:16:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold.
2026-07-03 07:16:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:16:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:16:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053
2026-07-03 07:16:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:16:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3
2026-07-03 07:16:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold.
2026-07-03 07:16:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:16:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:16:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184
2026-07-03 07:16:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:16:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3
2026-07-03 07:16:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter.
2026-07-03 07:16:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:16:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:16:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276
2026-07-03 07:16:58	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:16:58	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:16:58	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:16:59	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-07-03 07:16:59	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:17:01	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:16:48.839705 End time: 2026-07-03 07:17:00.548387
2026-07-03 07:17:01	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:17:01	INFO	tclean::::casa	##########################################
2026-07-03 07:17:01	INFO	imstat::::casa	##########################################
2026-07-03 07:17:01	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:17:01	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 )
2026-07-03 07:17:01	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:17:01	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:17:01	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:17:01	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:17:01	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:17:01	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)
2026-07-03 07:17:01	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:17:01	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:17:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:17:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:17:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz
2026-07-03 07:17:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz
2026-07-03 07:17:01	INFO	imstat::::	Values --- 
2026-07-03 07:17:01	INFO	imstat::::	         -- flux density [flux]:                    4.99409 Jy
2026-07-03 07:17:01	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:17:01	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:17:01	INFO	imstat::::	         -- minimum value [min]:                    -0.00012283 Jy/beam
2026-07-03 07:17:01	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 124, 0, 0]
2026-07-03 07:17:01	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [100, 55, 0, 0]
2026-07-03 07:17:01	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz
2026-07-03 07:17:01	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz
2026-07-03 07:17:01	INFO	imstat::::	         -- Sum of pixel values [sum]:               605.961 Jy/beam
2026-07-03 07:17:01	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1516.75 Jy/beam.Jy/beam
2026-07-03 07:17:01	INFO	imstat::::	Statistics --- 
2026-07-03 07:17:01	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00924623 Jy/beam
2026-07-03 07:17:01	INFO	imstat::::	        -- Variance of the pixel values :           0.0230586 Jy/beam
2026-07-03 07:17:01	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.15185 Jy/beam
2026-07-03 07:17:01	INFO	imstat::::	        -- Root mean square [rms]:                  0.152131 Jy/beam
2026-07-03 07:17:01	INFO	imstat::::	        -- Median of the pixel values [median]:     -2.09007e-05 Jy/beam
2026-07-03 07:17:01	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam
2026-07-03 07:17:01	INFO	imstat::::	        -- IQR [quartile]:                          6.1616e-05 Jy/beam
2026-07-03 07:17:01	INFO	imstat::::	        -- First quartile [q1]:                     -4.79744e-05 Jy/beam
2026-07-03 07:17:01	INFO	imstat::::	        -- Third quartile [q3]:                     1.36416e-05 Jy/beam
2026-07-03 07:17:01	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:17:01	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:17:01	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:17:01	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:17:01	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:17:01	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:17:01	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
2026-07-03 07:17:01	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:17:00.554340 End time: 2026-07-03 07:17:00.595930
2026-07-03 07:17:01	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:17:01	INFO	imstat::::casa	##########################################
2026-07-03 07:17:01	INFO	phaseshift::::casa	##########################################
2026-07-03 07:17:01	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:17:01	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' )
2026-07-03 07:17:01	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:17:01	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:17:01	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:17:01	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:17:01	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:17:01	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:17:01	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:17:01	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:17:01	INFO	MSTransformManager::open	Select data
2026-07-03 07:17:01	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:17:04	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:17:04	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed
2026-07-03 07:17:04	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:17:05	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:17:05	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:17:00.609527 End time: 2026-07-03 07:17:05.205846
2026-07-03 07:17:05	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:17:05	INFO	phaseshift::::casa	##########################################
2026-07-03 07:17:05	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-07-03 07:17:05	INFO	tclean::::casa	##########################################
2026-07-03 07:17:05	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:17:05	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, 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 )
2026-07-03 07:17:05	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:17:05	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:17:05	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 7020
2026-07-03 07:17:05	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:17:05	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:17:05	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:17:05	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:17:05	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:17:05	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:17:05	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:17:05	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:17:05	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:17:07	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00843949 
2026-07-03 07:17:07	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021608
2026-07-03 07:17:07	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg
2026-07-03 07:17:07	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:17:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:17:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:17:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:17:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:17:09	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:17:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6069034934043884, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:17:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.606903, CycleNiter=20, Gain=0.3
2026-07-03 07:17:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:17:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:17:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:17:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:17:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07140088081359863, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:17:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0714009, CycleNiter=14, Gain=0.3
2026-07-03 07:17:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold.
2026-07-03 07:17:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:17:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:17:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053
2026-07-03 07:17:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00840018317103386, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:17:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00840018, CycleNiter=8, Gain=0.3
2026-07-03 07:17:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold.
2026-07-03 07:17:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:17:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:17:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814189, over full image : 0.00814189
2026-07-03 07:17:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009882674785330892, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:17:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000988267, CycleNiter=2, Gain=0.3
2026-07-03 07:17:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814189->0.00279267, Reached cycleniter.
2026-07-03 07:17:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:17:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:17:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0027928, over full image : 0.0027928
2026-07-03 07:17:15	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:17:15	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:17:15	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:17:16	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg
2026-07-03 07:17:16	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:17:18	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:17:05.259742 End time: 2026-07-03 07:17:17.610631
2026-07-03 07:17:18	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:17:18	INFO	tclean::::casa	##########################################
2026-07-03 07:17:18	INFO	imstat::::casa	##########################################
2026-07-03 07:17:18	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:17:18	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 )
2026-07-03 07:17:18	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:17:18	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:17:18	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:17:18	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:17:18	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:17:18	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)
2026-07-03 07:17:18	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:17:18	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:17:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:17:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:17:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 999981604.64Hz
2026-07-03 07:17:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.069, +40.23.25.888, I, 999981604.64Hz
2026-07-03 07:17:18	INFO	imstat::::	Values --- 
2026-07-03 07:17:18	INFO	imstat::::	         -- flux density [flux]:                    4.99444 Jy
2026-07-03 07:17:18	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:17:18	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:17:18	INFO	imstat::::	         -- minimum value [min]:                    -9.70533e-05 Jy/beam
2026-07-03 07:17:18	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 124, 0, 0]
2026-07-03 07:17:18	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [158, 70, 0, 0]
2026-07-03 07:17:18	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981604.64Hz
2026-07-03 07:17:18	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:29.120, +39.58.47.882, I, 999981604.64Hz
2026-07-03 07:17:18	INFO	imstat::::	         -- Sum of pixel values [sum]:               610.203 Jy/beam
2026-07-03 07:17:18	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1527.26 Jy/beam.Jy/beam
2026-07-03 07:17:18	INFO	imstat::::	Statistics --- 
2026-07-03 07:17:18	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00931096 Jy/beam
2026-07-03 07:17:18	INFO	imstat::::	        -- Variance of the pixel values :           0.0232178 Jy/beam
2026-07-03 07:17:18	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152374 Jy/beam
2026-07-03 07:17:18	INFO	imstat::::	        -- Root mean square [rms]:                  0.152657 Jy/beam
2026-07-03 07:17:18	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.85752e-05 Jy/beam
2026-07-03 07:17:18	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.83975e-05 Jy/beam
2026-07-03 07:17:18	INFO	imstat::::	        -- IQR [quartile]:                          3.74524e-05 Jy/beam
2026-07-03 07:17:18	INFO	imstat::::	        -- First quartile [q1]:                     -3.53147e-05 Jy/beam
2026-07-03 07:17:18	INFO	imstat::::	        -- Third quartile [q3]:                     2.13765e-06 Jy/beam
2026-07-03 07:17:18	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:17:18	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:17:18	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:17:18	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:17:18	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:17:18	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:17:18	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
2026-07-03 07:17:18	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:17:17.616826 End time: 2026-07-03 07:17:17.644761
2026-07-03 07:17:18	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:17:18	INFO	imstat::::casa	##########################################
2026-07-03 07:17:18	INFO	phaseshift::::casa	##########################################
2026-07-03 07:17:18	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:17:18	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' )
2026-07-03 07:17:18	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:17:18	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:17:18	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:17:18	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:17:18	INFO	MSTransformManager::parseDataSelParams	field selection is 1
2026-07-03 07:17:18	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:17:18	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:17:18	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:17:18	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:17:18	INFO	MSTransformManager::open	Select data
2026-07-03 07:17:18	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:17:18	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-07-03 07:17:21	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:17:21	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed
2026-07-03 07:17:21	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:17:21	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:17:21	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:17:17.657744 End time: 2026-07-03 07:17:21.382338
2026-07-03 07:17:21	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:17:21	INFO	phaseshift::::casa	##########################################
2026-07-03 07:17:21	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-07-03 07:17:21	INFO	tclean::::casa	##########################################
2026-07-03 07:17:21	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:17:21	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, 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 )
2026-07-03 07:17:21	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:17:21	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:17:21	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-07-03 07:17:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:17:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:17:22	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:17:22	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07]
2026-07-03 07:17:22	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:17:22	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:17:22	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:17:22	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:17:22	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:17:23	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-07-03 07:17:23	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020957
2026-07-03 07:17:23	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-07-03 07:17:23	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:17:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:17:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 0.290316
2026-07-03 07:17:25	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:17:25	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:17:25	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.290316, over full image : 0.290316
2026-07-03 07:17:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:17:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3
2026-07-03 07:17:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter.
2026-07-03 07:17:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:17:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:17:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.180075, over full image : 0.180075
2026-07-03 07:17:27	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:17:27	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:17:27	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:17:28	INFO	SIImageStore::restore 	Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-07-03 07:17:28	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:17:30	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:17:21.436528 End time: 2026-07-03 07:17:29.748612
2026-07-03 07:17:30	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:17:30	INFO	tclean::::casa	##########################################
2026-07-03 07:17:30	INFO	imstat::::casa	##########################################
2026-07-03 07:17:30	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:17:30	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 )
2026-07-03 07:17:30	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:17:30	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:17:30	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:17:30	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:17:30	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:17:30	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)
2026-07-03 07:17:30	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:17:30	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:17:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:17:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:17:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz
2026-07-03 07:17:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz
2026-07-03 07:17:30	INFO	imstat::::	Values --- 
2026-07-03 07:17:30	INFO	imstat::::	         -- flux density [flux]:                    -0.242513 Jy
2026-07-03 07:17:30	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:17:30	INFO	imstat::::	         -- maximum value [max]:                    0.285872 Jy/beam
2026-07-03 07:17:30	INFO	imstat::::	         -- minimum value [min]:                    -0.1468 Jy/beam
2026-07-03 07:17:30	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [54, 120, 0, 0]
2026-07-03 07:17:30	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [148, 28, 0, 0]
2026-07-03 07:17:30	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz
2026-07-03 07:17:30	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz
2026-07-03 07:17:30	INFO	imstat::::	         -- Sum of pixel values [sum]:               -29.9309 Jy/beam
2026-07-03 07:17:30	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     233.452 Jy/beam.Jy/beam
2026-07-03 07:17:30	INFO	imstat::::	Statistics --- 
2026-07-03 07:17:30	INFO	imstat::::	        -- Mean of the pixel values [mean]:         -0.00045671 Jy/beam
2026-07-03 07:17:30	INFO	imstat::::	        -- Variance of the pixel values :           0.00356204 Jy/beam
2026-07-03 07:17:30	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.0596828 Jy/beam
2026-07-03 07:17:30	INFO	imstat::::	        -- Root mean square [rms]:                  0.0596841 Jy/beam
2026-07-03 07:17:30	INFO	imstat::::	        -- Median of the pixel values [median]:     -0.00646386 Jy/beam
2026-07-03 07:17:30	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam
2026-07-03 07:17:30	INFO	imstat::::	        -- IQR [quartile]:                          0.0789052 Jy/beam
2026-07-03 07:17:30	INFO	imstat::::	        -- First quartile [q1]:                     -0.0432754 Jy/beam
2026-07-03 07:17:30	INFO	imstat::::	        -- Third quartile [q3]:                     0.0356299 Jy/beam
2026-07-03 07:17:30	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:17:30	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:17:30	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:17:30	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:17:30	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:17:30	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:17:30	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
2026-07-03 07:17:30	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:17:29.754276 End time: 2026-07-03 07:17:29.781140
2026-07-03 07:17:30	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:17:30	INFO	imstat::::casa	##########################################
2026-07-03 07:17:30	INFO	phaseshift::::casa	##########################################
2026-07-03 07:17:30	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:17:30	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' )
2026-07-03 07:17:30	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:17:30	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:17:30	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:17:30	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:17:30	INFO	MSTransformManager::parseDataSelParams	field selection is pretend
2026-07-03 07:17:30	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:17:30	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:17:30	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:17:30	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:17:30	INFO	MSTransformManager::open	Select data
2026-07-03 07:17:30	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:17:30	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-07-03 07:17:33	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:17:33	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed
2026-07-03 07:17:33	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:17:33	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:17:33	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:17:29.793912 End time: 2026-07-03 07:17:33.437767
2026-07-03 07:17:33	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:17:33	INFO	phaseshift::::casa	##########################################
2026-07-03 07:17:33	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data.ms...
2026-07-03 07:17:33	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-07-03 07:17:33	INFO	tclean::::casa	##########################################
2026-07-03 07:17:33	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:17:33	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, 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 )
2026-07-03 07:17:33	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:17:34	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:17:34	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-07-03 07:17:34	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:17:34	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:17:34	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:17:34	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07]
2026-07-03 07:17:34	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:17:34	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:17:34	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:17:34	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:17:34	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:17:35	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-07-03 07:17:35	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021049
2026-07-03 07:17:35	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-07-03 07:17:35	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:17:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:17:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 0.290316
2026-07-03 07:17:37	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:17:37	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:17:37	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.290316, over full image : 0.290316
2026-07-03 07:17:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:17:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3
2026-07-03 07:17:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter.
2026-07-03 07:17:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:17:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:17:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.180075, over full image : 0.180075
2026-07-03 07:17:38	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:17:38	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:17:38	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:17:39	INFO	SIImageStore::restore 	Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-07-03 07:17:39	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:17:41	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:17:33.491334 End time: 2026-07-03 07:17:40.675149
2026-07-03 07:17:41	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:17:41	INFO	tclean::::casa	##########################################
2026-07-03 07:17:41	INFO	imstat::::casa	##########################################
2026-07-03 07:17:41	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:17:41	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 )
2026-07-03 07:17:41	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:17:41	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:17:41	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:17:41	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:17:41	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:17:41	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)
2026-07-03 07:17:41	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:17:41	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:17:41	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:17:41	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:17:41	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz
2026-07-03 07:17:41	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz
2026-07-03 07:17:41	INFO	imstat::::	Values --- 
2026-07-03 07:17:41	INFO	imstat::::	         -- flux density [flux]:                    -0.242513 Jy
2026-07-03 07:17:41	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:17:41	INFO	imstat::::	         -- maximum value [max]:                    0.285872 Jy/beam
2026-07-03 07:17:41	INFO	imstat::::	         -- minimum value [min]:                    -0.1468 Jy/beam
2026-07-03 07:17:41	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [54, 120, 0, 0]
2026-07-03 07:17:41	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [148, 28, 0, 0]
2026-07-03 07:17:41	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz
2026-07-03 07:17:41	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz
2026-07-03 07:17:41	INFO	imstat::::	         -- Sum of pixel values [sum]:               -29.9309 Jy/beam
2026-07-03 07:17:41	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     233.452 Jy/beam.Jy/beam
2026-07-03 07:17:41	INFO	imstat::::	Statistics --- 
2026-07-03 07:17:41	INFO	imstat::::	        -- Mean of the pixel values [mean]:         -0.00045671 Jy/beam
2026-07-03 07:17:41	INFO	imstat::::	        -- Variance of the pixel values :           0.00356204 Jy/beam
2026-07-03 07:17:41	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.0596828 Jy/beam
2026-07-03 07:17:41	INFO	imstat::::	        -- Root mean square [rms]:                  0.0596841 Jy/beam
2026-07-03 07:17:41	INFO	imstat::::	        -- Median of the pixel values [median]:     -0.00646386 Jy/beam
2026-07-03 07:17:41	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam
2026-07-03 07:17:41	INFO	imstat::::	        -- IQR [quartile]:                          0.0789052 Jy/beam
2026-07-03 07:17:41	INFO	imstat::::	        -- First quartile [q1]:                     -0.0432754 Jy/beam
2026-07-03 07:17:41	INFO	imstat::::	        -- Third quartile [q3]:                     0.0356299 Jy/beam
2026-07-03 07:17:41	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:17:41	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:17:41	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:17:41	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:17:41	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:17:41	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:17:41	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
2026-07-03 07:17:41	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:17:40.681114 End time: 2026-07-03 07:17:40.707407
2026-07-03 07:17:41	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:17:41	INFO	imstat::::casa	##########################################
.2026-07-03 07:17:41	INFO	tclean::::casa	##########################################
2026-07-03 07:17:41	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:17:41	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, 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 )
2026-07-03 07:17:41	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:17:41	INFO	SynthesisImagerVi2::selectData 	MS : sim_data.ms | [Opened in readonly mode]
2026-07-03 07:17:41	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:17:41	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_orig] : 
2026-07-03 07:17:41	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_orig] : 
2026-07-03 07:17:41	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:17:41	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [9.99981e+08] at [0] with increment [1e+08]
2026-07-03 07:17:41	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_orig] with ftmachine : wprojectft
2026-07-03 07:17:41	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 10.86 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:17:41	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:17:41	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_orig] : hogbom
2026-07-03 07:17:41	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:17:42	INFO	task_tclean::WPConvFunc::findConvFunction	W projection using 128 planes
2026-07-03 07:17:42	INFO	task_tclean::WPConvFunc::findConvFunction	Using maximum possible W = 6445.78 (wavelengths)
2026-07-03 07:17:42	INFO	task_tclean::WPConvFunc::findConvFunction	Typical wavelength = 0.299799 (m)
2026-07-03 07:17:42	INFO	task_tclean::WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.399639 wavelengths per pixel
2026-07-03 07:18:05	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
2026-07-03 07:18:05	INFO	task_tclean::WPConvFunc::findConvFunction	Memory used in gridding function = 14 MB from maximum 15884 MB
2026-07-03 07:18:07	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_orig] Theoretical sensitivity (Jy/bm):0.00889437 
2026-07-03 07:18:08	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.092467
2026-07-03 07:18:08	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg
2026-07-03 07:18:08	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:18:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:18:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 4.94899
2026-07-03 07:18:12	INFO	SynthesisDeconvolver::setupMask 	[im_orig] Initializing new mask to 1.0 for the full image
2026-07-03 07:18:12	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 % ]
2026-07-03 07:18:12	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 4.94899, over full image : 4.94899
2026-07-03 07:18:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.5971387624740601, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:18:12	INFO	SDAlgorithmBase::deconvolve 	[im_orig] Run Hogbom minor-cycle | CycleThreshold=0.597139, CycleNiter=20, Gain=0.3
2026-07-03 07:18:13	INFO	SDAlgorithmBase::deconvolve 	[im_orig] iters=0->7 [7], model=0->4.6028, peakres=4.94899->0.435227, Reached cyclethreshold.
2026-07-03 07:18:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 7 iterations.
2026-07-03 07:18:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:18:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.45574, over full image : 0.45574
2026-07-03 07:18:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 13, 'cyclethreshold': 0.05498892068862915, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:18:17	INFO	SDAlgorithmBase::deconvolve 	[im_orig] Run Hogbom minor-cycle | CycleThreshold=0.0549889, CycleNiter=13, Gain=0.3
2026-07-03 07:18:18	INFO	SDAlgorithmBase::deconvolve 	[im_orig] iters=0->7 [7], model=4.6028->5.02619, peakres=0.45574->0.0435268, Reached cyclethreshold.
2026-07-03 07:18:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 14 iterations.
2026-07-03 07:18:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:18:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0416506, over full image : 0.0416506
2026-07-03 07:18:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 6, 'cyclethreshold': 0.005025508347898722, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:18:21	INFO	SDAlgorithmBase::deconvolve 	[im_orig] Run Hogbom minor-cycle | CycleThreshold=0.00502551, CycleNiter=6, Gain=0.3
2026-07-03 07:18:22	INFO	SDAlgorithmBase::deconvolve 	[im_orig] iters=0->6 [6], model=5.02619->5.04001, peakres=0.0416506->0.0226678, Reached cycleniter.
2026-07-03 07:18:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:18:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:18:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.022671, over full image : 0.022671
2026-07-03 07:18:25	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:18:25	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:18:25	INFO	SDAlgorithmBase::restore 	[im_orig] : Restoring model image.
2026-07-03 07:18:26	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg
2026-07-03 07:18:27	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.residual', 'im_orig.pb', 'im_orig.image', 'im_orig.mask']
2026-07-03 07:18:28	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:17:40.893083 End time: 2026-07-03 07:18:28.124876
2026-07-03 07:18:28	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:18:28	INFO	tclean::::casa	##########################################
2026-07-03 07:18:28	INFO	imstat::::casa	##########################################
2026-07-03 07:18:28	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:18:28	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 )
2026-07-03 07:18:28	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:18:28	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:18:28	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:18:28	INFO	imstat::image::statistics 	Determining stats for image im_orig.image
2026-07-03 07:18:28	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:18:28	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)
2026-07-03 07:18:28	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:18:28	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:18:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:18:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [2047, 2047, 0, 0]
2026-07-03 07:18:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 20:11:05.220, +38.21.11.967, I, 999980841.3Hz
2026-07-03 07:18:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:47:03.322, +42.54.02.996, I, 999980841.3Hz
2026-07-03 07:18:28	INFO	imstat::::	Values --- 
2026-07-03 07:18:28	INFO	imstat::::	         -- flux density [flux]:                    5.2713 Jy
2026-07-03 07:18:28	INFO	imstat::::	         -- number of points [npts]:                4.1943e+06
2026-07-03 07:18:28	INFO	imstat::::	         -- maximum value [max]:                    4.97713 Jy/beam
2026-07-03 07:18:28	INFO	imstat::::	         -- minimum value [min]:                    -0.022671 Jy/beam
2026-07-03 07:18:28	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [1509, 773, 0, 0]
2026-07-03 07:18:28	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [1708, 965, 0, 0]
2026-07-03 07:18:28	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.302, +40.06.02.372, I, 999980841.3Hz
2026-07-03 07:18:28	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:51:28.525, +40.31.07.260, I, 999980841.3Hz
2026-07-03 07:18:28	INFO	imstat::::	         -- Sum of pixel values [sum]:               641.87 Jy/beam
2026-07-03 07:18:28	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1619.58 Jy/beam.Jy/beam
2026-07-03 07:18:28	INFO	imstat::::	Statistics --- 
2026-07-03 07:18:28	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.000153034 Jy/beam
2026-07-03 07:18:28	INFO	imstat::::	        -- Variance of the pixel values :           0.000386116 Jy/beam
2026-07-03 07:18:28	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.0196498 Jy/beam
2026-07-03 07:18:28	INFO	imstat::::	        -- Root mean square [rms]:                  0.0196504 Jy/beam
2026-07-03 07:18:28	INFO	imstat::::	        -- Median of the pixel values [median]:     4.62212e-06 Jy/beam
2026-07-03 07:18:28	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 0.003161 Jy/beam
2026-07-03 07:18:28	INFO	imstat::::	        -- IQR [quartile]:                          0.00632194 Jy/beam
2026-07-03 07:18:28	INFO	imstat::::	        -- First quartile [q1]:                     -0.00315522 Jy/beam
2026-07-03 07:18:28	INFO	imstat::::	        -- Third quartile [q3]:                     0.00316673 Jy/beam
2026-07-03 07:18:28	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:18:28	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:18:28	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:18:28	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:18:28	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:18:28	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:18:28	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
2026-07-03 07:18:28	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:18:28.130926 End time: 2026-07-03 07:18:28.451923
2026-07-03 07:18:28	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:18:28	INFO	imstat::::casa	##########################################
2026-07-03 07:18:29	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:18:29	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:18:29	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)
2026-07-03 07:18:29	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:18:29	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:18:29 2026******
2026-07-03 07:18:29	INFO	ImageFitter::fit+	
2026-07-03 07:18:29	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:18:29	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_orig.image
2026-07-03 07:18:29	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:18:29	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:18:29	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:18:29	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:18:29	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:18:29	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:18:29	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:18:29	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:18:29	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)
2026-07-03 07:18:29	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29832 Jy
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00459192 Jy
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85855 Jy
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00458731 Jy
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	Fit on im_orig.image component 0
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.9885 +/- 0.0032 s (0.0367 arcsec along great circle)
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.0594 +/- 0.0281 arcsec
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- ra:  1509.4535 +/- 0.0046 pixels
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- dec: 772.7181 +/- 0.0035 pixels
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.4778 +/- 0.0014 arcmin
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.2915 +/- 0.0011 arcmin
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.42 +/- 0.26 deg
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.70 arcsec
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.54 arcsec
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- position angle: -89.60 deg
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	    Component is a point source
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	    An upper limit on its size cannot be determined
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.0049 +/- 0.0079 Jy
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- Peak:         5.0102 +/- 0.0046 Jy/beam
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:18:29	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9808 MHz (29.97982 cm)
2026-07-03 07:18:29	INFO	phaseshift::::casa	##########################################
2026-07-03 07:18:29	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:18:29	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' )
2026-07-03 07:18:29	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:18:29	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:18:29	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:18:29	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:18:29	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:18:29	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:18:29	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:18:29	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:18:29	INFO	MSTransformManager::open	Select data
2026-07-03 07:18:29	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:18:32	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:18:32	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-07-03 07:18:32	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:18:32	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:18:32	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:18:28.577409 End time: 2026-07-03 07:18:32.430543
2026-07-03 07:18:32	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:18:32	INFO	phaseshift::::casa	##########################################
2026-07-03 07:18:33	INFO	tclean::::casa	##########################################
2026-07-03 07:18:33	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:18:33	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, 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 )
2026-07-03 07:18:33	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:18:33	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:18:33	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:18:33	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:18:33	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:18:33	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:18:33	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:18:33	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:18:33	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:18:33	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:18:33	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:18:33	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:18:34	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:18:34	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022243
2026-07-03 07:18:34	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:18:34	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:18:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:18:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:18:36	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:18:36	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:18:36	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:18:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:18:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:18:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:18:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:18:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:18:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:18:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:18:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:18:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:18:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:18:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:18:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:18:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:18:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:18:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:18:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:18:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:18:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:18:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:18:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:18:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:18:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:18:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:18:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:18:44	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:18:44	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:18:44	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:18:45	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:18:46	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:18:48	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:18:32.514333 End time: 2026-07-03 07:18:47.651909
2026-07-03 07:18:48	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:18:48	INFO	tclean::::casa	##########################################
2026-07-03 07:18:48	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:18:48	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:18:48	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)
2026-07-03 07:18:48	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:18:48	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:18:48 2026******
2026-07-03 07:18:48	INFO	ImageFitter::fit+	
2026-07-03 07:18:48	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:18:48	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:18:48	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:18:48	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:18:48	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:18:48	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:18:48	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:18:48	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:18:48	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:18:48	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:18:48	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)
2026-07-03 07:18:48	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:18:48	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:18:48	INFO	imstat::::casa	##########################################
2026-07-03 07:18:48	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:18:48	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 )
2026-07-03 07:18:48	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:18:48	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:18:48	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:18:48	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:18:48	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:18:48	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)
2026-07-03 07:18:48	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:18:48	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:18:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:18:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:18:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:18:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:18:48	INFO	imstat::::	Values --- 
2026-07-03 07:18:48	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:18:48	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:18:48	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:18:48	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-07-03 07:18:48	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:18:48	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:18:48	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:18:48	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:18:48	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:18:48	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:18:48	INFO	imstat::::	Statistics --- 
2026-07-03 07:18:48	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:18:48	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:18:48	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:18:48	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:18:48	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-07-03 07:18:48	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-07-03 07:18:48	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-07-03 07:18:48	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-07-03 07:18:48	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-07-03 07:18:48	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:18:48	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:18:48	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:18:48	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:18:48	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:18:48	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:18:48	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
2026-07-03 07:18:48	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:18:47.712253 End time: 2026-07-03 07:18:47.730748
2026-07-03 07:18:48	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:18:48	INFO	imstat::::casa	##########################################
2026-07-03 07:18:48	INFO	phaseshift::::casa	##########################################
2026-07-03 07:18:48	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:18:48	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 02:40:24.0000' )
2026-07-03 07:18:48	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:18:48	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:18:48	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:18:48	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:18:48	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:18:48	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:18:48	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:18:48	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:18:48	INFO	MSTransformManager::open	Select data
2026-07-03 07:18:48	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:18:51	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 ".".
2026-07-03 07:18:51	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 02:40:24.0000' successfully parsed
2026-07-03 07:18:51	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:18:51	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:18:52	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:18:47.743494 End time: 2026-07-03 07:18:51.554188
2026-07-03 07:18:52	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:18:52	INFO	phaseshift::::casa	##########################################
2026-07-03 07:18:52	INFO	tclean::::casa	##########################################
2026-07-03 07:18:52	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:18:52	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, 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 )
2026-07-03 07:18:52	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:18:52	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:18:52	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:18:52	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:18:52	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:18:52	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:18:52	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:18:52	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:18:52	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:18:52	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:18:52	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:18:52	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:18:53	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:18:53	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020921
2026-07-03 07:18:53	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:18:53	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:18:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:18:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:18:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:18:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:18:55	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:18:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:18:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:18:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:18:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:18:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:18:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:18:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:18:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:18:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:18:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:18:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:18:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:18:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:18:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:18:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:18:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:18:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:18:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:18:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:18:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:19:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:19:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:19:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:19:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:19:01	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:19:01	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:19:01	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:19:02	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:19:02	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:19:04	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:18:51.585074 End time: 2026-07-03 07:19:03.613275
2026-07-03 07:19:04	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:19:04	INFO	tclean::::casa	##########################################
2026-07-03 07:19:04	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:19:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:19:04	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)
2026-07-03 07:19:04	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:19:04	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:19:04 2026******
2026-07-03 07:19:04	INFO	ImageFitter::fit+	
2026-07-03 07:19:04	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:19:04	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:19:04	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:19:04	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:19:04	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:19:04	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:19:04	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:19:04	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:19:04	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:19:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:19:04	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)
2026-07-03 07:19:04	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:19:04	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:19:04	INFO	imstat::::casa	##########################################
2026-07-03 07:19:04	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:19:04	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 )
2026-07-03 07:19:04	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:19:04	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:19:04	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:19:04	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:19:04	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:19:04	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)
2026-07-03 07:19:04	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:19:04	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:19:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:19:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:19:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:19:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:19:04	INFO	imstat::::	Values --- 
2026-07-03 07:19:04	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:19:04	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:19:04	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:19:04	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-07-03 07:19:04	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:19:04	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:19:04	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:19:04	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:19:04	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:19:04	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:19:04	INFO	imstat::::	Statistics --- 
2026-07-03 07:19:04	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:19:04	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:19:04	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:19:04	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:19:04	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-07-03 07:19:04	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-07-03 07:19:04	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-07-03 07:19:04	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-07-03 07:19:04	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-07-03 07:19:04	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:19:04	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:19:04	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:19:04	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:19:04	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:19:04	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:19:04	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
2026-07-03 07:19:04	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:19:03.662983 End time: 2026-07-03 07:19:03.681562
2026-07-03 07:19:04	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:19:04	INFO	imstat::::casa	##########################################
2026-07-03 07:19:04	INFO	phaseshift::::casa	##########################################
2026-07-03 07:19:04	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:19:04	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 19h53m50 40.100000000deg' )
2026-07-03 07:19:04	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:19:04	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:19:04	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:19:04	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:19:04	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:19:04	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:19:04	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:19:04	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:19:04	INFO	MSTransformManager::open	Select data
2026-07-03 07:19:04	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:19:07	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:19:07	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.100000000deg' successfully parsed
2026-07-03 07:19:07	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:19:08	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:19:08	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:19:03.694032 End time: 2026-07-03 07:19:08.160413
2026-07-03 07:19:08	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:19:08	INFO	phaseshift::::casa	##########################################
2026-07-03 07:19:08	INFO	tclean::::casa	##########################################
2026-07-03 07:19:08	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:19:08	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, 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 )
2026-07-03 07:19:08	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:19:08	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:19:08	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:19:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:19:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:19:08	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:19:08	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:19:08	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:19:08	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:19:08	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:19:08	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:19:08	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:19:10	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:19:10	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021136
2026-07-03 07:19:10	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:19:10	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:19:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:19:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:19:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:19:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:19:12	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:19:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:19:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:19:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:19:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:19:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:19:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:19:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:19:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:19:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:19:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:19:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:19:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:19:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:19:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:19:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:19:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:19:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:19:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:19:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:19:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:19:18	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:19:18	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:19:18	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:19:19	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:19:19	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:19:21	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:19:08.191011 End time: 2026-07-03 07:19:20.546096
2026-07-03 07:19:21	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:19:21	INFO	tclean::::casa	##########################################
2026-07-03 07:19:21	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:19:21	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:19:21	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)
2026-07-03 07:19:21	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:19:21	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:19:21 2026******
2026-07-03 07:19:21	INFO	ImageFitter::fit+	
2026-07-03 07:19:21	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:19:21	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:19:21	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:19:21	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:19:21	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:19:21	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:19:21	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:19:21	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:19:21	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:19:21	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:19:21	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)
2026-07-03 07:19:21	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:19:21	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:19:21	INFO	imstat::::casa	##########################################
2026-07-03 07:19:21	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:19:21	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 )
2026-07-03 07:19:21	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:19:21	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:19:21	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:19:21	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:19:21	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:19:21	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)
2026-07-03 07:19:21	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:19:21	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:19:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:19:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:19:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:19:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:19:21	INFO	imstat::::	Values --- 
2026-07-03 07:19:21	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:19:21	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:19:21	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:19:21	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-07-03 07:19:21	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:19:21	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:19:21	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:19:21	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:19:21	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:19:21	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:19:21	INFO	imstat::::	Statistics --- 
2026-07-03 07:19:21	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:19:21	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:19:21	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:19:21	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:19:21	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-07-03 07:19:21	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-07-03 07:19:21	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-07-03 07:19:21	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-07-03 07:19:21	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-07-03 07:19:21	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:19:21	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:19:21	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:19:21	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:19:21	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:19:21	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:19:21	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
2026-07-03 07:19:21	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:19:20.603952 End time: 2026-07-03 07:19:20.624200
2026-07-03 07:19:21	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:19:21	INFO	imstat::::casa	##########################################
2026-07-03 07:19:21	INFO	phaseshift::::casa	##########################################
2026-07-03 07:19:21	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:19:21	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 0.699877030rad' )
2026-07-03 07:19:21	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:19:21	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:19:21	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:19:21	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:19:21	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:19:21	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:19:21	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:19:21	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:19:21	INFO	MSTransformManager::open	Select data
2026-07-03 07:19:21	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:19:23	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:19:23	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 0.699877030rad' successfully parsed
2026-07-03 07:19:23	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:19:24	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:19:24	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:19:20.639078 End time: 2026-07-03 07:19:24.146741
2026-07-03 07:19:24	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:19:24	INFO	phaseshift::::casa	##########################################
2026-07-03 07:19:24	INFO	tclean::::casa	##########################################
2026-07-03 07:19:24	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:19:24	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, 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 )
2026-07-03 07:19:24	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:19:24	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:19:24	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:19:24	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:19:24	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:19:24	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:19:24	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:19:24	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:19:24	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:19:24	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:19:24	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:19:24	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:19:25	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:19:25	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020646
2026-07-03 07:19:25	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:19:25	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:19:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:19:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:19:27	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:19:27	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:19:27	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:19:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:19:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:19:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:19:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:19:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:19:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:19:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:19:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:19:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:19:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:19:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:19:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:19:31	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:19:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:19:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:19:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:19:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:19:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:19:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:19:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:19:33	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:19:33	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:19:33	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:19:34	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:19:34	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:19:36	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:19:24.176527 End time: 2026-07-03 07:19:35.518979
2026-07-03 07:19:36	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:19:36	INFO	tclean::::casa	##########################################
2026-07-03 07:19:36	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:19:36	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:19:36	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)
2026-07-03 07:19:36	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:19:36	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:19:36 2026******
2026-07-03 07:19:36	INFO	ImageFitter::fit+	
2026-07-03 07:19:36	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:19:36	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:19:36	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:19:36	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:19:36	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:19:36	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:19:36	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:19:36	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:19:36	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:19:36	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:19:36	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)
2026-07-03 07:19:36	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:19:36	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:19:36	INFO	imstat::::casa	##########################################
2026-07-03 07:19:36	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:19:36	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 )
2026-07-03 07:19:36	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:19:36	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:19:36	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:19:36	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:19:36	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:19:36	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)
2026-07-03 07:19:36	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:19:36	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:19:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:19:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:19:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:19:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:19:36	INFO	imstat::::	Values --- 
2026-07-03 07:19:36	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:19:36	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:19:36	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:19:36	INFO	imstat::::	         -- minimum value [min]:                    -7.77764e-05 Jy/beam
2026-07-03 07:19:36	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:19:36	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:19:36	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:19:36	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-07-03 07:19:36	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:19:36	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:19:36	INFO	imstat::::	Statistics --- 
2026-07-03 07:19:36	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:19:36	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:19:36	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:19:36	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:19:36	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86664e-05 Jy/beam
2026-07-03 07:19:36	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-07-03 07:19:36	INFO	imstat::::	        -- IQR [quartile]:                          3.56255e-05 Jy/beam
2026-07-03 07:19:36	INFO	imstat::::	        -- First quartile [q1]:                     -3.45078e-05 Jy/beam
2026-07-03 07:19:36	INFO	imstat::::	        -- Third quartile [q3]:                     1.11764e-06 Jy/beam
2026-07-03 07:19:36	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:19:36	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:19:36	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:19:36	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:19:36	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:19:36	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:19:36	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
2026-07-03 07:19:36	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:19:35.571632 End time: 2026-07-03 07:19:35.599997
2026-07-03 07:19:36	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:19:36	INFO	imstat::::casa	##########################################
2026-07-03 07:19:36	INFO	phaseshift::::casa	##########################################
2026-07-03 07:19:36	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:19:36	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 40d06m00' )
2026-07-03 07:19:36	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:19:36	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:19:36	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:19:36	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:19:36	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:19:36	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:19:36	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:19:36	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:19:36	INFO	MSTransformManager::open	Select data
2026-07-03 07:19:36	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:19:38	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:19:38	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 40d06m00' successfully parsed
2026-07-03 07:19:38	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:19:39	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:19:39	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:19:35.613551 End time: 2026-07-03 07:19:39.377934
2026-07-03 07:19:39	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:19:39	INFO	phaseshift::::casa	##########################################
2026-07-03 07:19:39	INFO	tclean::::casa	##########################################
2026-07-03 07:19:39	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:19:39	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, 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 )
2026-07-03 07:19:39	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:19:39	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:19:39	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:19:40	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:19:40	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:19:40	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:19:40	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:19:40	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:19:40	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:19:40	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:19:40	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:19:40	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:19:41	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:19:41	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021152
2026-07-03 07:19:41	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:19:41	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:19:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:19:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:19:43	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:19:43	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:19:43	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:19:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:19:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:19:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:19:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:19:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:19:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:19:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:19:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:19:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:19:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:19:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:19:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:19:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:19:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:19:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:19:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:19:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:19:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:19:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:19:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:19:48	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:19:48	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:19:48	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:19:49	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:19:49	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:19:51	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:19:39.407375 End time: 2026-07-03 07:19:50.865286
2026-07-03 07:19:51	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:19:51	INFO	tclean::::casa	##########################################
2026-07-03 07:19:51	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:19:51	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:19:51	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)
2026-07-03 07:19:51	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:19:51	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:19:51 2026******
2026-07-03 07:19:51	INFO	ImageFitter::fit+	
2026-07-03 07:19:51	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:19:51	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:19:51	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:19:51	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:19:51	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:19:51	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:19:51	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:19:51	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:19:51	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:19:51	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:19:51	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)
2026-07-03 07:19:51	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:19:51	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:19:51	INFO	imstat::::casa	##########################################
2026-07-03 07:19:51	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:19:51	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 )
2026-07-03 07:19:51	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:19:51	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:19:51	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:19:51	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:19:51	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:19:51	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)
2026-07-03 07:19:51	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:19:51	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:19:51	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:19:51	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:19:51	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:19:51	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:19:51	INFO	imstat::::	Values --- 
2026-07-03 07:19:51	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:19:51	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:19:51	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:19:51	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-07-03 07:19:51	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:19:51	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:19:51	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:19:51	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:19:51	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:19:51	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:19:51	INFO	imstat::::	Statistics --- 
2026-07-03 07:19:51	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:19:51	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:19:51	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:19:51	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:19:51	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-07-03 07:19:51	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-07-03 07:19:51	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-07-03 07:19:51	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-07-03 07:19:51	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-07-03 07:19:51	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:19:51	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:19:51	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:19:51	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:19:51	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:19:51	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:19:51	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
2026-07-03 07:19:51	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:19:50.916725 End time: 2026-07-03 07:19:50.934392
2026-07-03 07:19:51	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:19:51	INFO	imstat::::casa	##########################################
2026-07-03 07:19:51	INFO	phaseshift::::casa	##########################################
2026-07-03 07:19:51	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:19:51	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 02:40:24.0000' )
2026-07-03 07:19:51	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:19:51	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:19:51	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:19:51	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:19:51	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:19:51	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:19:51	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:19:51	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:19:51	INFO	MSTransformManager::open	Select data
2026-07-03 07:19:51	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:19:54	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 ".".
2026-07-03 07:19:54	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 02:40:24.0000' successfully parsed
2026-07-03 07:19:54	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:19:55	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:19:55	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:19:50.947514 End time: 2026-07-03 07:19:54.970178
2026-07-03 07:19:55	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:19:55	INFO	phaseshift::::casa	##########################################
2026-07-03 07:19:55	INFO	tclean::::casa	##########################################
2026-07-03 07:19:55	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:19:55	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, 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 )
2026-07-03 07:19:55	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:19:55	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:19:55	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:19:55	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:19:55	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:19:55	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:19:55	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:19:55	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:19:55	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:19:55	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:19:55	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:19:55	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:19:56	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:19:56	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.019915
2026-07-03 07:19:56	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:19:57	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:19:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:19:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:19:58	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:19:58	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:19:58	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:19:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:19:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:19:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:19:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:19:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:20:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:20:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:20:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:20:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:20:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:20:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:20:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:20:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:20:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:20:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:20:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:20:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:20:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:20:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:20:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:20:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:20:05	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:20:05	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:20:05	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:20:05	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:20:06	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:20:07	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:19:55.000207 End time: 2026-07-03 07:20:07.100494
2026-07-03 07:20:07	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:20:07	INFO	tclean::::casa	##########################################
2026-07-03 07:20:07	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:20:07	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:20:07	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)
2026-07-03 07:20:07	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:20:07	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:20:07 2026******
2026-07-03 07:20:07	INFO	ImageFitter::fit+	
2026-07-03 07:20:07	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:20:07	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:20:07	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:20:07	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:20:07	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:20:07	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:20:07	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:20:07	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:20:07	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:20:07	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:20:07	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)
2026-07-03 07:20:07	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:20:07	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:20:07	INFO	imstat::::casa	##########################################
2026-07-03 07:20:07	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:20:07	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 )
2026-07-03 07:20:07	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:20:07	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:20:07	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:20:07	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:20:07	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:20:07	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)
2026-07-03 07:20:07	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:20:07	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:20:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:20:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:20:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:20:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:20:07	INFO	imstat::::	Values --- 
2026-07-03 07:20:07	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:20:07	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:20:07	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:20:07	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-07-03 07:20:07	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:20:07	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:20:07	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:20:07	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:20:07	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:20:07	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:20:07	INFO	imstat::::	Statistics --- 
2026-07-03 07:20:07	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:20:07	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:20:07	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:20:07	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:20:07	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-07-03 07:20:07	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-07-03 07:20:07	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-07-03 07:20:07	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-07-03 07:20:07	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-07-03 07:20:07	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:20:07	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:20:07	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:20:07	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:20:07	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:20:07	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:20:07	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
2026-07-03 07:20:07	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:20:07.151721 End time: 2026-07-03 07:20:07.169884
2026-07-03 07:20:07	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:20:07	INFO	imstat::::casa	##########################################
2026-07-03 07:20:07	INFO	phaseshift::::casa	##########################################
2026-07-03 07:20:07	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:20:07	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' )
2026-07-03 07:20:07	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:20:07	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:20:07	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:20:07	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:20:07	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:20:07	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:20:07	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:20:07	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:20:07	INFO	MSTransformManager::open	Select data
2026-07-03 07:20:07	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:20:10	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:20:10	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 40.100000000deg' successfully parsed
2026-07-03 07:20:10	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:20:11	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:20:11	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:20:07.182132 End time: 2026-07-03 07:20:10.968493
2026-07-03 07:20:11	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:20:11	INFO	phaseshift::::casa	##########################################
2026-07-03 07:20:11	INFO	tclean::::casa	##########################################
2026-07-03 07:20:11	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:20:11	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, 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 )
2026-07-03 07:20:11	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:20:11	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:20:11	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:20:11	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:20:11	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:20:11	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:20:11	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:20:11	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:20:11	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:20:11	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:20:11	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:20:11	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:20:12	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:20:12	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023878
2026-07-03 07:20:12	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:20:12	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:20:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:20:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:20:15	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:20:15	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:20:15	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:20:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:20:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:20:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:20:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:20:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:20:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:20:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:20:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:20:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:20:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:20:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:20:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:20:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:20:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:20:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:20:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:20:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:20:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:20:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:20:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:20:21	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:20:21	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:20:21	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:20:22	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:20:22	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:20:24	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:20:10.997349 End time: 2026-07-03 07:20:23.523748
2026-07-03 07:20:24	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:20:24	INFO	tclean::::casa	##########################################
2026-07-03 07:20:24	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:20:24	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:20:24	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)
2026-07-03 07:20:24	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:20:24	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:20:24 2026******
2026-07-03 07:20:24	INFO	ImageFitter::fit+	
2026-07-03 07:20:24	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:20:24	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:20:24	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:20:24	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:20:24	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:20:24	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:20:24	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:20:24	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:20:24	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:20:24	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:20:24	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)
2026-07-03 07:20:24	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:20:24	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:20:24	INFO	imstat::::casa	##########################################
2026-07-03 07:20:24	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:20:24	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 )
2026-07-03 07:20:24	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:20:24	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:20:24	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:20:24	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:20:24	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:20:24	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)
2026-07-03 07:20:24	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:20:24	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:20:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:20:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:20:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:20:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:20:24	INFO	imstat::::	Values --- 
2026-07-03 07:20:24	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:20:24	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:20:24	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:20:24	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-07-03 07:20:24	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:20:24	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:20:24	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:20:24	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:20:24	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:20:24	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:20:24	INFO	imstat::::	Statistics --- 
2026-07-03 07:20:24	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:20:24	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:20:24	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:20:24	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:20:24	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-07-03 07:20:24	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-07-03 07:20:24	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-07-03 07:20:24	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-07-03 07:20:24	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-07-03 07:20:24	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:20:24	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:20:24	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:20:24	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:20:24	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:20:24	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:20:24	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
2026-07-03 07:20:24	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:20:23.587467 End time: 2026-07-03 07:20:23.606631
2026-07-03 07:20:24	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:20:24	INFO	imstat::::casa	##########################################
2026-07-03 07:20:24	INFO	phaseshift::::casa	##########################################
2026-07-03 07:20:24	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:20:24	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' )
2026-07-03 07:20:24	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:20:24	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:20:24	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:20:24	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:20:24	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:20:24	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:20:24	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:20:24	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:20:24	INFO	MSTransformManager::open	Select data
2026-07-03 07:20:24	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:20:27	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:20:27	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 0.699877030rad' successfully parsed
2026-07-03 07:20:27	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:20:27	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:20:28	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:20:23.619507 End time: 2026-07-03 07:20:27.553735
2026-07-03 07:20:28	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:20:28	INFO	phaseshift::::casa	##########################################
2026-07-03 07:20:28	INFO	tclean::::casa	##########################################
2026-07-03 07:20:28	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:20:28	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, 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 )
2026-07-03 07:20:28	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:20:28	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:20:28	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:20:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:20:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:20:28	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:20:28	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:20:28	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:20:28	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:20:28	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:20:28	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:20:28	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:20:29	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:20:29	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021031
2026-07-03 07:20:29	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:20:29	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:20:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:20:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:20:31	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:20:31	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:20:31	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:20:31	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:20:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:20:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:20:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:20:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:20:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:20:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:20:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:20:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:20:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:20:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:20:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:20:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:20:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:20:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:20:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:20:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:20:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:20:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:20:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:20:38	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:20:38	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:20:38	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:20:38	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:20:39	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:20:40	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:20:27.582715 End time: 2026-07-03 07:20:40.038814
2026-07-03 07:20:40	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:20:40	INFO	tclean::::casa	##########################################
2026-07-03 07:20:40	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:20:40	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:20:40	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)
2026-07-03 07:20:40	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:20:40	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:20:40 2026******
2026-07-03 07:20:40	INFO	ImageFitter::fit+	
2026-07-03 07:20:40	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:20:40	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:20:40	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:20:40	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:20:40	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:20:40	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:20:40	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:20:40	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:20:40	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:20:40	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:20:40	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)
2026-07-03 07:20:40	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:20:40	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:20:40	INFO	imstat::::casa	##########################################
2026-07-03 07:20:40	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:20:40	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 )
2026-07-03 07:20:40	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:20:40	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:20:40	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:20:40	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:20:40	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:20:40	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)
2026-07-03 07:20:40	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:20:40	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:20:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:20:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:20:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:20:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:20:40	INFO	imstat::::	Values --- 
2026-07-03 07:20:40	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:20:40	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:20:40	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:20:40	INFO	imstat::::	         -- minimum value [min]:                    -7.77764e-05 Jy/beam
2026-07-03 07:20:40	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:20:40	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:20:40	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:20:40	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-07-03 07:20:40	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:20:40	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:20:40	INFO	imstat::::	Statistics --- 
2026-07-03 07:20:40	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:20:40	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:20:40	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:20:40	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:20:40	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86664e-05 Jy/beam
2026-07-03 07:20:40	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-07-03 07:20:40	INFO	imstat::::	        -- IQR [quartile]:                          3.56255e-05 Jy/beam
2026-07-03 07:20:40	INFO	imstat::::	        -- First quartile [q1]:                     -3.45078e-05 Jy/beam
2026-07-03 07:20:40	INFO	imstat::::	        -- Third quartile [q3]:                     1.11764e-06 Jy/beam
2026-07-03 07:20:40	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:20:40	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:20:40	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:20:40	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:20:40	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:20:40	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:20:40	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
2026-07-03 07:20:40	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:20:40.090088 End time: 2026-07-03 07:20:40.109037
2026-07-03 07:20:40	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:20:40	INFO	imstat::::casa	##########################################
2026-07-03 07:20:40	INFO	phaseshift::::casa	##########################################
2026-07-03 07:20:40	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:20:40	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 298.458333333deg 40d06m00' )
2026-07-03 07:20:40	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:20:40	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:20:40	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:20:40	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:20:40	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:20:40	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:20:40	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:20:40	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:20:40	INFO	MSTransformManager::open	Select data
2026-07-03 07:20:40	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:20:43	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:20:43	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 40d06m00' successfully parsed
2026-07-03 07:20:43	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:20:44	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:20:44	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:20:40.122027 End time: 2026-07-03 07:20:44.251452
2026-07-03 07:20:44	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:20:44	INFO	phaseshift::::casa	##########################################
2026-07-03 07:20:44	INFO	tclean::::casa	##########################################
2026-07-03 07:20:44	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:20:44	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, 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 )
2026-07-03 07:20:44	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:20:44	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:20:44	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:20:44	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:20:44	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:20:44	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:20:44	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:20:44	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:20:44	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:20:44	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:20:44	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:20:44	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:20:45	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:20:46	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021872
2026-07-03 07:20:46	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:20:46	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:20:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:20:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:20:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:20:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:20:47	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:20:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:20:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:20:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:20:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:20:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:20:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:20:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:20:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:20:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:20:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:20:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:20:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:20:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:20:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:20:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:20:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:20:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:20:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:20:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:20:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:20:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:20:54	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:20:54	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:20:54	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:20:55	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:20:55	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:20:56	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:20:44.281585 End time: 2026-07-03 07:20:56.477492
2026-07-03 07:20:56	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:20:56	INFO	tclean::::casa	##########################################
2026-07-03 07:20:57	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:20:57	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:20:57	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)
2026-07-03 07:20:57	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:20:57	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:20:57 2026******
2026-07-03 07:20:57	INFO	ImageFitter::fit+	
2026-07-03 07:20:57	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:20:57	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:20:57	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:20:57	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:20:57	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:20:57	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:20:57	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:20:57	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:20:57	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:20:57	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:20:57	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)
2026-07-03 07:20:57	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:20:57	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:20:57	INFO	imstat::::casa	##########################################
2026-07-03 07:20:57	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:20:57	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 )
2026-07-03 07:20:57	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:20:57	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:20:57	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:20:57	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:20:57	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:20:57	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)
2026-07-03 07:20:57	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:20:57	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:20:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:20:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:20:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:20:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:20:57	INFO	imstat::::	Values --- 
2026-07-03 07:20:57	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:20:57	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:20:57	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:20:57	INFO	imstat::::	         -- minimum value [min]:                    -7.77758e-05 Jy/beam
2026-07-03 07:20:57	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:20:57	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:20:57	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:20:57	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:20:57	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:20:57	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:20:57	INFO	imstat::::	Statistics --- 
2026-07-03 07:20:57	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:20:57	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:20:57	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:20:57	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:20:57	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86641e-05 Jy/beam
2026-07-03 07:20:57	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-07-03 07:20:57	INFO	imstat::::	        -- IQR [quartile]:                          3.56208e-05 Jy/beam
2026-07-03 07:20:57	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-07-03 07:20:57	INFO	imstat::::	        -- Third quartile [q3]:                     1.11336e-06 Jy/beam
2026-07-03 07:20:57	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:20:57	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:20:57	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:20:57	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:20:57	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:20:57	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:20:57	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
2026-07-03 07:20:57	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:20:56.538353 End time: 2026-07-03 07:20:56.559414
2026-07-03 07:20:57	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:20:57	INFO	imstat::::casa	##########################################
2026-07-03 07:20:57	INFO	phaseshift::::casa	##########################################
2026-07-03 07:20:57	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:20:57	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 02:40:24.0000' )
2026-07-03 07:20:57	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:20:57	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:20:57	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:20:57	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:20:57	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:20:57	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:20:57	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:20:57	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:20:57	INFO	MSTransformManager::open	Select data
2026-07-03 07:20:57	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:21:00	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 ".".
2026-07-03 07:21:00	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 02:40:24.0000' successfully parsed
2026-07-03 07:21:00	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:21:01	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:21:01	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:20:56.572471 End time: 2026-07-03 07:21:00.702160
2026-07-03 07:21:01	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:21:01	INFO	phaseshift::::casa	##########################################
2026-07-03 07:21:01	INFO	tclean::::casa	##########################################
2026-07-03 07:21:01	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:21:01	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, 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 )
2026-07-03 07:21:01	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:21:01	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:21:01	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:21:01	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:21:01	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:21:01	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:21:01	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:21:01	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:21:01	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:21:01	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:21:01	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:21:01	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:21:02	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:21:02	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022546
2026-07-03 07:21:02	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:21:02	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:21:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:21:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:21:04	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:21:04	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:21:04	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:21:04	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:21:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:21:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:21:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:21:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:21:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:21:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:21:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:21:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:21:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:21:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:21:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:21:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:21:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:21:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:21:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:21:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:21:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:21:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:21:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:21:10	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:21:10	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:21:10	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:21:11	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:21:11	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:21:13	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:21:00.730877 End time: 2026-07-03 07:21:12.566589
2026-07-03 07:21:13	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:21:13	INFO	tclean::::casa	##########################################
2026-07-03 07:21:13	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:21:13	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:21:13	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)
2026-07-03 07:21:13	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:21:13	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:21:13 2026******
2026-07-03 07:21:13	INFO	ImageFitter::fit+	
2026-07-03 07:21:13	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:21:13	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:21:13	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:21:13	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:21:13	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:21:13	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:21:13	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:21:13	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:21:13	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:21:13	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:21:13	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)
2026-07-03 07:21:13	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:21:13	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:21:13	INFO	imstat::::casa	##########################################
2026-07-03 07:21:13	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:21:13	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 )
2026-07-03 07:21:13	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:21:13	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:21:13	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:21:13	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:21:13	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:21:13	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)
2026-07-03 07:21:13	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:21:13	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:21:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:21:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:21:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:21:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:21:13	INFO	imstat::::	Values --- 
2026-07-03 07:21:13	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:21:13	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:21:13	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:21:13	INFO	imstat::::	         -- minimum value [min]:                    -7.77758e-05 Jy/beam
2026-07-03 07:21:13	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:21:13	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:21:13	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:21:13	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:21:13	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:21:13	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:21:13	INFO	imstat::::	Statistics --- 
2026-07-03 07:21:13	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:21:13	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:21:13	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:21:13	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:21:13	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86641e-05 Jy/beam
2026-07-03 07:21:13	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-07-03 07:21:13	INFO	imstat::::	        -- IQR [quartile]:                          3.56208e-05 Jy/beam
2026-07-03 07:21:13	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-07-03 07:21:13	INFO	imstat::::	        -- Third quartile [q3]:                     1.11336e-06 Jy/beam
2026-07-03 07:21:13	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:21:13	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:21:13	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:21:13	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:21:13	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:21:13	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:21:13	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
2026-07-03 07:21:13	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:21:12.619043 End time: 2026-07-03 07:21:12.638244
2026-07-03 07:21:13	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:21:13	INFO	imstat::::casa	##########################################
2026-07-03 07:21:13	INFO	phaseshift::::casa	##########################################
2026-07-03 07:21:13	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:21:13	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 298.458333333deg 40.100000000deg' )
2026-07-03 07:21:13	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:21:13	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:21:13	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:21:13	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:21:13	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:21:13	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:21:13	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:21:13	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:21:13	INFO	MSTransformManager::open	Select data
2026-07-03 07:21:13	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:21:16	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:21:16	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 40.100000000deg' successfully parsed
2026-07-03 07:21:16	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:21:17	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:21:17	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:21:12.651478 End time: 2026-07-03 07:21:16.945014
2026-07-03 07:21:17	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:21:17	INFO	phaseshift::::casa	##########################################
2026-07-03 07:21:17	INFO	tclean::::casa	##########################################
2026-07-03 07:21:17	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:21:17	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, 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 )
2026-07-03 07:21:17	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:21:17	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:21:17	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:21:17	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:21:17	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:21:17	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:21:17	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:21:17	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:21:17	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:21:17	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:21:17	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:21:17	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:21:18	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:21:18	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022798
2026-07-03 07:21:18	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:21:18	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:21:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:21:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:21:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:21:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:21:20	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:21:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:21:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:21:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:21:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:21:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:21:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:21:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:21:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:21:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:21:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:21:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:21:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:21:24	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:21:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:21:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:21:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:21:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:21:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:21:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:21:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:21:27	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:21:27	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:21:27	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:21:28	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:21:28	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:21:29	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:21:16.974325 End time: 2026-07-03 07:21:29.350450
2026-07-03 07:21:29	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:21:29	INFO	tclean::::casa	##########################################
2026-07-03 07:21:29	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:21:29	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:21:29	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)
2026-07-03 07:21:29	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:21:29	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:21:29 2026******
2026-07-03 07:21:29	INFO	ImageFitter::fit+	
2026-07-03 07:21:29	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:21:29	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:21:29	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:21:29	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:21:29	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:21:29	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:21:29	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:21:29	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:21:29	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:21:29	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:21:29	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)
2026-07-03 07:21:29	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:21:29	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:21:29	INFO	imstat::::casa	##########################################
2026-07-03 07:21:29	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:21:29	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 )
2026-07-03 07:21:29	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:21:29	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:21:29	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:21:29	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:21:29	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:21:29	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)
2026-07-03 07:21:29	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:21:29	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:21:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:21:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:21:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:21:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:21:29	INFO	imstat::::	Values --- 
2026-07-03 07:21:29	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:21:29	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:21:29	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:21:29	INFO	imstat::::	         -- minimum value [min]:                    -7.77758e-05 Jy/beam
2026-07-03 07:21:29	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:21:29	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:21:29	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:21:29	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:21:29	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:21:29	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:21:29	INFO	imstat::::	Statistics --- 
2026-07-03 07:21:29	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:21:29	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:21:29	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:21:29	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:21:29	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86641e-05 Jy/beam
2026-07-03 07:21:29	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-07-03 07:21:29	INFO	imstat::::	        -- IQR [quartile]:                          3.56208e-05 Jy/beam
2026-07-03 07:21:29	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-07-03 07:21:29	INFO	imstat::::	        -- Third quartile [q3]:                     1.11336e-06 Jy/beam
2026-07-03 07:21:29	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:21:29	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:21:29	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:21:29	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:21:29	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:21:29	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:21:29	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
2026-07-03 07:21:29	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:21:29.403073 End time: 2026-07-03 07:21:29.423689
2026-07-03 07:21:29	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:21:29	INFO	imstat::::casa	##########################################
2026-07-03 07:21:29	INFO	phaseshift::::casa	##########################################
2026-07-03 07:21:29	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:21:29	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' )
2026-07-03 07:21:29	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:21:29	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:21:29	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:21:29	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:21:29	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:21:29	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:21:29	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:21:29	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:21:29	INFO	MSTransformManager::open	Select data
2026-07-03 07:21:29	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:21:32	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:21:32	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 0.699877030rad' successfully parsed
2026-07-03 07:21:32	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:21:33	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:21:33	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:21:29.437445 End time: 2026-07-03 07:21:33.228345
2026-07-03 07:21:33	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:21:33	INFO	phaseshift::::casa	##########################################
2026-07-03 07:21:33	INFO	tclean::::casa	##########################################
2026-07-03 07:21:33	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:21:33	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, 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 )
2026-07-03 07:21:33	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:21:33	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:21:33	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:21:33	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:21:33	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:21:33	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:21:33	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:21:33	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:21:33	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:21:33	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:21:33	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:21:33	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:21:35	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:21:35	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023515
2026-07-03 07:21:35	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:21:35	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:21:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:21:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:21:37	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:21:37	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:21:37	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:21:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:21:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:21:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:21:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:21:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:21:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:21:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:21:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:21:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:21:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:21:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:21:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:21:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:21:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:21:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:21:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:21:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:21:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:21:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:21:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:21:43	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:21:43	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:21:43	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:21:43	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:21:44	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:21:45	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:21:33.257602 End time: 2026-07-03 07:21:44.890602
2026-07-03 07:21:45	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:21:45	INFO	tclean::::casa	##########################################
2026-07-03 07:21:45	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:21:45	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:21:45	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)
2026-07-03 07:21:45	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:21:45	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:21:45 2026******
2026-07-03 07:21:45	INFO	ImageFitter::fit+	
2026-07-03 07:21:45	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:21:45	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:21:45	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:21:45	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:21:45	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:21:45	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:21:45	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:21:45	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:21:45	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:21:45	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:21:45	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)
2026-07-03 07:21:45	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126487 Jy
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:21:45	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:21:45	INFO	imstat::::casa	##########################################
2026-07-03 07:21:45	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:21:45	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 )
2026-07-03 07:21:45	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:21:45	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:21:45	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:21:45	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:21:45	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:21:45	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)
2026-07-03 07:21:45	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:21:45	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:21:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:21:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:21:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:21:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:21:45	INFO	imstat::::	Values --- 
2026-07-03 07:21:45	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:21:45	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:21:45	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:21:45	INFO	imstat::::	         -- minimum value [min]:                    -7.77738e-05 Jy/beam
2026-07-03 07:21:45	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:21:45	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:21:45	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:21:45	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:21:45	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:21:45	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:21:45	INFO	imstat::::	Statistics --- 
2026-07-03 07:21:45	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:21:45	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:21:45	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:21:45	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:21:45	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86662e-05 Jy/beam
2026-07-03 07:21:45	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73577e-05 Jy/beam
2026-07-03 07:21:45	INFO	imstat::::	        -- IQR [quartile]:                          3.56242e-05 Jy/beam
2026-07-03 07:21:45	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-07-03 07:21:45	INFO	imstat::::	        -- Third quartile [q3]:                     1.11673e-06 Jy/beam
2026-07-03 07:21:45	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:21:45	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:21:45	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:21:45	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:21:45	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:21:45	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:21:45	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
2026-07-03 07:21:45	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:21:44.944016 End time: 2026-07-03 07:21:44.978447
2026-07-03 07:21:45	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:21:45	INFO	imstat::::casa	##########################################
2026-07-03 07:21:45	INFO	phaseshift::::casa	##########################################
2026-07-03 07:21:45	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:21:45	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 5.209080597rad 40d06m00' )
2026-07-03 07:21:45	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:21:45	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:21:45	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:21:45	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:21:45	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:21:45	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:21:45	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:21:45	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:21:45	INFO	MSTransformManager::open	Select data
2026-07-03 07:21:45	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:21:48	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:21:48	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 40d06m00' successfully parsed
2026-07-03 07:21:48	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:21:49	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:21:49	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:21:44.993121 End time: 2026-07-03 07:21:48.621245
2026-07-03 07:21:49	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:21:49	INFO	phaseshift::::casa	##########################################
2026-07-03 07:21:49	INFO	tclean::::casa	##########################################
2026-07-03 07:21:49	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:21:49	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, 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 )
2026-07-03 07:21:49	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:21:49	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:21:49	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:21:49	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:21:49	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:21:49	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:21:49	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:21:49	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:21:49	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:21:49	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:21:49	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:21:49	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:21:50	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:21:50	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020254
2026-07-03 07:21:50	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:21:50	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:21:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:21:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:21:52	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:21:52	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:21:52	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:21:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:21:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:21:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:21:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:21:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:21:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:21:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:21:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:21:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:21:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:21:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:21:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:21:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:21:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:21:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:21:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:21:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:21:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:21:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:21:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:21:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:21:58	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:21:58	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:21:58	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:21:59	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:21:59	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:22:00	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:21:48.650197 End time: 2026-07-03 07:22:00.272723
2026-07-03 07:22:00	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:22:00	INFO	tclean::::casa	##########################################
2026-07-03 07:22:00	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:22:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:22:00	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)
2026-07-03 07:22:00	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:22:00	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:22:00 2026******
2026-07-03 07:22:00	INFO	ImageFitter::fit+	
2026-07-03 07:22:00	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:22:00	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:22:00	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:22:00	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:22:00	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:22:00	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:22:00	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:22:00	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:22:00	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:22:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:22:00	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)
2026-07-03 07:22:00	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:22:00	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:22:00	INFO	imstat::::casa	##########################################
2026-07-03 07:22:00	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:22:00	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 )
2026-07-03 07:22:00	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:22:00	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:22:00	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:22:00	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:22:00	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:22:00	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)
2026-07-03 07:22:00	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:22:00	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:22:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:22:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:22:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:22:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:22:00	INFO	imstat::::	Values --- 
2026-07-03 07:22:00	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:22:00	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:22:00	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:22:00	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-07-03 07:22:00	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:22:00	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:22:00	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:22:00	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-07-03 07:22:00	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:22:00	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:22:00	INFO	imstat::::	Statistics --- 
2026-07-03 07:22:00	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:22:00	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:22:00	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:22:00	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:22:00	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86723e-05 Jy/beam
2026-07-03 07:22:00	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam
2026-07-03 07:22:00	INFO	imstat::::	        -- IQR [quartile]:                          3.55964e-05 Jy/beam
2026-07-03 07:22:00	INFO	imstat::::	        -- First quartile [q1]:                     -3.45025e-05 Jy/beam
2026-07-03 07:22:00	INFO	imstat::::	        -- Third quartile [q3]:                     1.09391e-06 Jy/beam
2026-07-03 07:22:00	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:22:00	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:22:00	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:22:00	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:22:00	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:22:00	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:22:00	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
2026-07-03 07:22:00	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:22:00.324812 End time: 2026-07-03 07:22:00.347567
2026-07-03 07:22:00	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:22:00	INFO	imstat::::casa	##########################################
2026-07-03 07:22:00	INFO	phaseshift::::casa	##########################################
2026-07-03 07:22:00	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:22:00	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 02:40:24.0000' )
2026-07-03 07:22:00	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:22:00	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:22:00	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:22:00	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:22:00	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:22:00	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:22:00	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:22:00	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:22:00	INFO	MSTransformManager::open	Select data
2026-07-03 07:22:00	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:22:03	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-07-03 07:22:03	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 02:40:24.0000' successfully parsed
2026-07-03 07:22:03	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:22:04	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:22:04	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:22:00.431410 End time: 2026-07-03 07:22:04.457296
2026-07-03 07:22:04	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:22:04	INFO	phaseshift::::casa	##########################################
2026-07-03 07:22:04	INFO	tclean::::casa	##########################################
2026-07-03 07:22:04	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:22:04	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, 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 )
2026-07-03 07:22:04	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:22:05	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:22:05	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:22:05	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:22:05	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:22:05	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:22:05	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:22:05	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:22:05	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:22:05	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:22:05	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:22:05	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:22:07	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:22:07	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020939
2026-07-03 07:22:07	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:22:07	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:22:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:22:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:22:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:22:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:22:09	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:22:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:22:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:22:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:22:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:22:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:22:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:22:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:22:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:22:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:22:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:22:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:22:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:22:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:22:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:22:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:22:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:22:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:22:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:22:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:22:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:22:15	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:22:15	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:22:15	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:22:16	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:22:17	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:22:18	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:22:04.488338 End time: 2026-07-03 07:22:17.955103
2026-07-03 07:22:18	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:22:18	INFO	tclean::::casa	##########################################
2026-07-03 07:22:18	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:22:18	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:22:18	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)
2026-07-03 07:22:18	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:22:18	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:22:18 2026******
2026-07-03 07:22:18	INFO	ImageFitter::fit+	
2026-07-03 07:22:18	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:22:18	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:22:18	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:22:18	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:22:18	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:22:18	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:22:18	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:22:18	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:22:18	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:22:18	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:22:18	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)
2026-07-03 07:22:18	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:22:18	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:22:18	INFO	imstat::::casa	##########################################
2026-07-03 07:22:18	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:22:18	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 )
2026-07-03 07:22:18	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:22:18	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:22:18	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:22:18	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:22:18	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:22:18	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)
2026-07-03 07:22:18	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:22:18	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:22:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:22:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:22:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:22:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:22:18	INFO	imstat::::	Values --- 
2026-07-03 07:22:18	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:22:18	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:22:18	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:22:18	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-07-03 07:22:18	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:22:18	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:22:18	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:22:18	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-07-03 07:22:18	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:22:18	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:22:18	INFO	imstat::::	Statistics --- 
2026-07-03 07:22:18	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:22:18	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:22:18	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:22:18	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:22:18	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86723e-05 Jy/beam
2026-07-03 07:22:18	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam
2026-07-03 07:22:18	INFO	imstat::::	        -- IQR [quartile]:                          3.55964e-05 Jy/beam
2026-07-03 07:22:18	INFO	imstat::::	        -- First quartile [q1]:                     -3.45025e-05 Jy/beam
2026-07-03 07:22:18	INFO	imstat::::	        -- Third quartile [q3]:                     1.09391e-06 Jy/beam
2026-07-03 07:22:18	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:22:18	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:22:18	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:22:18	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:22:18	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:22:18	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:22:18	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
2026-07-03 07:22:18	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:22:18.009072 End time: 2026-07-03 07:22:18.037631
2026-07-03 07:22:18	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:22:18	INFO	imstat::::casa	##########################################
2026-07-03 07:22:18	INFO	phaseshift::::casa	##########################################
2026-07-03 07:22:18	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:22:18	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 40.100000000deg' )
2026-07-03 07:22:18	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:22:18	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:22:18	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:22:18	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:22:18	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:22:18	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:22:18	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:22:18	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:22:18	INFO	MSTransformManager::open	Select data
2026-07-03 07:22:18	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:22:21	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:22:21	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 40.100000000deg' successfully parsed
2026-07-03 07:22:21	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:22:22	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:22:22	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:22:18.051039 End time: 2026-07-03 07:22:22.056813
2026-07-03 07:22:22	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:22:22	INFO	phaseshift::::casa	##########################################
2026-07-03 07:22:22	INFO	tclean::::casa	##########################################
2026-07-03 07:22:22	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:22:22	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, 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 )
2026-07-03 07:22:22	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:22:22	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:22:22	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:22:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:22:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:22:22	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:22:22	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:22:22	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:22:22	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:22:22	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:22:22	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:22:22	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:22:23	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:22:23	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020708
2026-07-03 07:22:23	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:22:23	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:22:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:22:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:22:25	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:22:25	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:22:25	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:22:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:22:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:22:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:22:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:22:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:22:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:22:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:22:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:22:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:22:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:22:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:22:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:22:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:22:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:22:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:22:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:22:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:22:31	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:22:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:22:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:22:32	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:22:32	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:22:32	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:22:32	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:22:33	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:22:34	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:22:22.087453 End time: 2026-07-03 07:22:34.091260
2026-07-03 07:22:34	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:22:34	INFO	tclean::::casa	##########################################
2026-07-03 07:22:34	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:22:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:22:34	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)
2026-07-03 07:22:34	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:22:34	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:22:34 2026******
2026-07-03 07:22:34	INFO	ImageFitter::fit+	
2026-07-03 07:22:34	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:22:34	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:22:34	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:22:34	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:22:34	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:22:34	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:22:34	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:22:34	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:22:34	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:22:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:22:34	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)
2026-07-03 07:22:34	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:22:34	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:22:34	INFO	imstat::::casa	##########################################
2026-07-03 07:22:34	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:22:34	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 )
2026-07-03 07:22:34	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:22:34	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:22:34	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:22:34	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:22:34	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:22:34	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)
2026-07-03 07:22:34	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:22:34	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:22:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:22:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:22:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:22:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:22:34	INFO	imstat::::	Values --- 
2026-07-03 07:22:34	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:22:34	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:22:34	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:22:34	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-07-03 07:22:34	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:22:34	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:22:34	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:22:34	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-07-03 07:22:34	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:22:34	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:22:34	INFO	imstat::::	Statistics --- 
2026-07-03 07:22:34	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:22:34	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:22:34	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:22:34	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:22:34	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86723e-05 Jy/beam
2026-07-03 07:22:34	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam
2026-07-03 07:22:34	INFO	imstat::::	        -- IQR [quartile]:                          3.55964e-05 Jy/beam
2026-07-03 07:22:34	INFO	imstat::::	        -- First quartile [q1]:                     -3.45025e-05 Jy/beam
2026-07-03 07:22:34	INFO	imstat::::	        -- Third quartile [q3]:                     1.09391e-06 Jy/beam
2026-07-03 07:22:34	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:22:34	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:22:34	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:22:34	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:22:34	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:22:34	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:22:34	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
2026-07-03 07:22:34	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:22:34.156898 End time: 2026-07-03 07:22:34.176043
2026-07-03 07:22:34	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:22:34	INFO	imstat::::casa	##########################################
2026-07-03 07:22:34	INFO	phaseshift::::casa	##########################################
2026-07-03 07:22:34	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:22:34	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 0.699877030rad' )
2026-07-03 07:22:34	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:22:34	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:22:34	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:22:34	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:22:34	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:22:34	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:22:34	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:22:34	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:22:34	INFO	MSTransformManager::open	Select data
2026-07-03 07:22:34	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:22:37	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:22:37	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 0.699877030rad' successfully parsed
2026-07-03 07:22:37	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:22:38	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:22:38	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:22:34.189146 End time: 2026-07-03 07:22:38.323023
2026-07-03 07:22:38	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:22:38	INFO	phaseshift::::casa	##########################################
2026-07-03 07:22:38	INFO	tclean::::casa	##########################################
2026-07-03 07:22:38	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:22:38	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, 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 )
2026-07-03 07:22:38	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:22:38	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:22:38	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:22:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:22:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:22:38	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:22:38	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:22:38	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:22:38	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:22:38	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:22:38	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:22:38	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:22:40	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:22:40	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020444
2026-07-03 07:22:40	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:22:40	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:22:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:22:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:22:42	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:22:42	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:22:42	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:22:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:22:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:22:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:22:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:22:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:22:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:22:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:22:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:22:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:22:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:22:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:22:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:22:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:22:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:22:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:22:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:22:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:22:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:22:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:22:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:22:48	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:22:48	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:22:48	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:22:49	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:22:49	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:22:51	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:22:38.351476 End time: 2026-07-03 07:22:50.786311
2026-07-03 07:22:51	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:22:51	INFO	tclean::::casa	##########################################
2026-07-03 07:22:51	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:22:51	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:22:51	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)
2026-07-03 07:22:51	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:22:51	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:22:51 2026******
2026-07-03 07:22:51	INFO	ImageFitter::fit+	
2026-07-03 07:22:51	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:22:51	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:22:51	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:22:51	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:22:51	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:22:51	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:22:51	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:22:51	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:22:51	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:22:51	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:22:51	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)
2026-07-03 07:22:51	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:22:51	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:22:51	INFO	imstat::::casa	##########################################
2026-07-03 07:22:51	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:22:51	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 )
2026-07-03 07:22:51	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:22:51	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:22:51	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:22:51	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:22:51	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:22:51	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)
2026-07-03 07:22:51	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:22:51	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:22:51	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:22:51	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:22:51	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:22:51	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:22:51	INFO	imstat::::	Values --- 
2026-07-03 07:22:51	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:22:51	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:22:51	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:22:51	INFO	imstat::::	         -- minimum value [min]:                    -7.77793e-05 Jy/beam
2026-07-03 07:22:51	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:22:51	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:22:51	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:22:51	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-07-03 07:22:51	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:22:51	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:22:51	INFO	imstat::::	Statistics --- 
2026-07-03 07:22:51	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:22:51	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:22:51	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:22:51	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:22:51	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86714e-05 Jy/beam
2026-07-03 07:22:51	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73592e-05 Jy/beam
2026-07-03 07:22:51	INFO	imstat::::	        -- IQR [quartile]:                          3.55982e-05 Jy/beam
2026-07-03 07:22:51	INFO	imstat::::	        -- First quartile [q1]:                     -3.45035e-05 Jy/beam
2026-07-03 07:22:51	INFO	imstat::::	        -- Third quartile [q3]:                     1.09469e-06 Jy/beam
2026-07-03 07:22:51	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:22:51	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:22:51	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:22:51	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:22:51	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:22:51	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:22:51	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
2026-07-03 07:22:51	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:22:50.833872 End time: 2026-07-03 07:22:50.854602
2026-07-03 07:22:51	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:22:51	INFO	imstat::::casa	##########################################
2026-07-03 07:22:51	INFO	phaseshift::::casa	##########################################
2026-07-03 07:22:51	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:22:51	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 19h53m49.9980 40d06m0.0019' )
2026-07-03 07:22:51	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:22:51	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:22:51	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:22:51	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:22:51	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:22:51	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:22:51	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:22:51	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:22:51	INFO	MSTransformManager::open	Select data
2026-07-03 07:22:51	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:22:54	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:22:54	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 40d06m0.0019' successfully parsed
2026-07-03 07:22:54	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:22:55	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:22:55	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:22:50.867794 End time: 2026-07-03 07:22:54.877454
2026-07-03 07:22:55	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:22:55	INFO	phaseshift::::casa	##########################################
2026-07-03 07:22:55	INFO	tclean::::casa	##########################################
2026-07-03 07:22:55	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:22:55	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, 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 )
2026-07-03 07:22:55	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:22:55	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:22:55	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:22:55	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:22:55	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:22:55	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:22:55	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:22:55	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:22:55	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:22:55	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:22:55	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:22:55	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:22:56	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:22:56	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022901
2026-07-03 07:22:56	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:22:56	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:22:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:22:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:22:58	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:22:58	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:22:58	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:22:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:22:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:22:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:22:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:22:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:23:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:23:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:23:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:23:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:23:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:23:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:23:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:23:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:23:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:23:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:23:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:23:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:23:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:23:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:23:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:23:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:23:05	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:23:05	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:23:05	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:23:06	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:23:06	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:23:07	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:22:54.906694 End time: 2026-07-03 07:23:07.214260
2026-07-03 07:23:07	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:23:07	INFO	tclean::::casa	##########################################
2026-07-03 07:23:07	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:23:07	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:23:07	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)
2026-07-03 07:23:07	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:23:07	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:23:07 2026******
2026-07-03 07:23:07	INFO	ImageFitter::fit+	
2026-07-03 07:23:07	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:23:07	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:23:07	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:23:07	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:23:07	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:23:07	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:23:07	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:23:07	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:23:07	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:23:07	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:23:07	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)
2026-07-03 07:23:07	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:23:07	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:23:07	INFO	imstat::::casa	##########################################
2026-07-03 07:23:07	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:23:07	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 )
2026-07-03 07:23:07	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:23:07	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:23:07	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:23:07	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:23:07	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:23:07	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)
2026-07-03 07:23:07	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:23:07	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:23:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:23:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:23:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:23:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:23:07	INFO	imstat::::	Values --- 
2026-07-03 07:23:07	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:23:07	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:23:07	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:23:07	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-07-03 07:23:07	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:23:07	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:23:07	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:23:07	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-07-03 07:23:07	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:23:07	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:23:07	INFO	imstat::::	Statistics --- 
2026-07-03 07:23:07	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:23:07	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:23:07	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:23:07	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:23:07	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86712e-05 Jy/beam
2026-07-03 07:23:07	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam
2026-07-03 07:23:07	INFO	imstat::::	        -- IQR [quartile]:                          3.56293e-05 Jy/beam
2026-07-03 07:23:07	INFO	imstat::::	        -- First quartile [q1]:                     -3.45095e-05 Jy/beam
2026-07-03 07:23:07	INFO	imstat::::	        -- Third quartile [q3]:                     1.1198e-06 Jy/beam
2026-07-03 07:23:07	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:23:07	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:23:07	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:23:07	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:23:07	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:23:07	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:23:07	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
2026-07-03 07:23:07	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:23:07.269974 End time: 2026-07-03 07:23:07.289829
2026-07-03 07:23:07	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:23:07	INFO	imstat::::casa	##########################################
2026-07-03 07:23:07	INFO	phaseshift::::casa	##########################################
2026-07-03 07:23:07	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:23:07	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' )
2026-07-03 07:23:07	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:23:07	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:23:07	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:23:07	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:23:07	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:23:07	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:23:07	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:23:07	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:23:07	INFO	MSTransformManager::open	Select data
2026-07-03 07:23:07	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:23:10	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 ".".
2026-07-03 07:23:10	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 02:40:24.0001' successfully parsed
2026-07-03 07:23:10	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:23:11	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:23:11	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:23:07.302603 End time: 2026-07-03 07:23:11.208900
2026-07-03 07:23:11	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:23:11	INFO	phaseshift::::casa	##########################################
2026-07-03 07:23:11	INFO	tclean::::casa	##########################################
2026-07-03 07:23:11	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:23:11	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, 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 )
2026-07-03 07:23:11	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:23:11	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:23:11	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:23:11	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:23:11	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:23:11	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:23:11	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:23:11	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:23:11	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:23:11	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:23:11	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:23:11	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:23:13	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:23:13	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020779
2026-07-03 07:23:13	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:23:13	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:23:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:23:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:23:14	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:23:14	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:23:14	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:23:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:23:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:23:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:23:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:23:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:23:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:23:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:23:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:23:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:23:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:23:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:23:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:23:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:23:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:23:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:23:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:23:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:23:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:23:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:23:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:23:21	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:23:21	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:23:21	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:23:22	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:23:22	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:23:24	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:23:11.238319 End time: 2026-07-03 07:23:23.534606
2026-07-03 07:23:24	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:23:24	INFO	tclean::::casa	##########################################
2026-07-03 07:23:24	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:23:24	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:23:24	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)
2026-07-03 07:23:24	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:23:24	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:23:24 2026******
2026-07-03 07:23:24	INFO	ImageFitter::fit+	
2026-07-03 07:23:24	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:23:24	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:23:24	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:23:24	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:23:24	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:23:24	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:23:24	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:23:24	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:23:24	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:23:24	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:23:24	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)
2026-07-03 07:23:24	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116891 Jy
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126504 Jy
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:23:24	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:23:24	INFO	imstat::::casa	##########################################
2026-07-03 07:23:24	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:23:24	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 )
2026-07-03 07:23:24	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:23:24	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:23:24	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:23:24	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:23:24	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:23:24	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)
2026-07-03 07:23:24	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:23:24	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:23:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:23:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:23:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:23:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:23:24	INFO	imstat::::	Values --- 
2026-07-03 07:23:24	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:23:24	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:23:24	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:23:24	INFO	imstat::::	         -- minimum value [min]:                    -7.78094e-05 Jy/beam
2026-07-03 07:23:24	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:23:24	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:23:24	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:23:24	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-07-03 07:23:24	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:23:24	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:23:24	INFO	imstat::::	Statistics --- 
2026-07-03 07:23:24	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:23:24	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:23:24	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:23:24	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:23:24	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86846e-05 Jy/beam
2026-07-03 07:23:24	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam
2026-07-03 07:23:24	INFO	imstat::::	        -- IQR [quartile]:                          3.56505e-05 Jy/beam
2026-07-03 07:23:24	INFO	imstat::::	        -- First quartile [q1]:                     -3.45202e-05 Jy/beam
2026-07-03 07:23:24	INFO	imstat::::	        -- Third quartile [q3]:                     1.13024e-06 Jy/beam
2026-07-03 07:23:24	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:23:24	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:23:24	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:23:24	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:23:24	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:23:24	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:23:24	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
2026-07-03 07:23:24	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:23:23.589651 End time: 2026-07-03 07:23:23.608763
2026-07-03 07:23:24	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:23:24	INFO	imstat::::casa	##########################################
2026-07-03 07:23:24	INFO	phaseshift::::casa	##########################################
2026-07-03 07:23:24	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:23:24	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' )
2026-07-03 07:23:24	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:23:24	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:23:24	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:23:24	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:23:24	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:23:24	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:23:24	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:23:24	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:23:24	INFO	MSTransformManager::open	Select data
2026-07-03 07:23:24	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:23:27	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:23:27	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 40.100000528deg' successfully parsed
2026-07-03 07:23:27	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:23:28	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:23:28	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:23:23.621643 End time: 2026-07-03 07:23:27.734123
2026-07-03 07:23:28	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:23:28	INFO	phaseshift::::casa	##########################################
2026-07-03 07:23:28	INFO	tclean::::casa	##########################################
2026-07-03 07:23:28	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:23:28	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, 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 )
2026-07-03 07:23:28	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:23:28	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:23:28	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:23:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:23:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:23:28	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:23:28	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:23:28	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:23:28	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:23:28	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:23:28	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:23:28	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:23:29	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:23:29	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022433
2026-07-03 07:23:29	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:23:29	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:23:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:23:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:23:31	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:23:31	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:23:31	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:23:31	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:23:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:23:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:23:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:23:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:23:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:23:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:23:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:23:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:23:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:23:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:23:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:23:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:23:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:23:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:23:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:23:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:23:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:23:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:23:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:23:37	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:23:37	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:23:37	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:23:38	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:23:38	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:23:40	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:23:27.765912 End time: 2026-07-03 07:23:39.501048
2026-07-03 07:23:40	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:23:40	INFO	tclean::::casa	##########################################
2026-07-03 07:23:40	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:23:40	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:23:40	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)
2026-07-03 07:23:40	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:23:40	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:23:40 2026******
2026-07-03 07:23:40	INFO	ImageFitter::fit+	
2026-07-03 07:23:40	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:23:40	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:23:40	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:23:40	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:23:40	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:23:40	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:23:40	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:23:40	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:23:40	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:23:40	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:23:40	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)
2026-07-03 07:23:40	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116876 Jy
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:23:40	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:23:40	INFO	imstat::::casa	##########################################
2026-07-03 07:23:40	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:23:40	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 )
2026-07-03 07:23:40	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:23:40	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:23:40	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:23:40	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:23:40	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:23:40	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)
2026-07-03 07:23:40	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:23:40	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:23:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:23:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:23:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:23:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:23:40	INFO	imstat::::	Values --- 
2026-07-03 07:23:40	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:23:40	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:23:40	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:23:40	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-07-03 07:23:40	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:23:40	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:23:40	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:23:40	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-07-03 07:23:40	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:23:40	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:23:40	INFO	imstat::::	Statistics --- 
2026-07-03 07:23:40	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:23:40	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:23:40	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:23:40	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:23:40	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-07-03 07:23:40	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam
2026-07-03 07:23:40	INFO	imstat::::	        -- IQR [quartile]:                          3.56311e-05 Jy/beam
2026-07-03 07:23:40	INFO	imstat::::	        -- First quartile [q1]:                     -3.45119e-05 Jy/beam
2026-07-03 07:23:40	INFO	imstat::::	        -- Third quartile [q3]:                     1.11928e-06 Jy/beam
2026-07-03 07:23:40	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:23:40	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:23:40	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:23:40	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:23:40	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:23:40	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:23:40	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
2026-07-03 07:23:40	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:23:39.554035 End time: 2026-07-03 07:23:39.573406
2026-07-03 07:23:40	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:23:40	INFO	imstat::::casa	##########################################
2026-07-03 07:23:40	INFO	phaseshift::::casa	##########################################
2026-07-03 07:23:40	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:23:40	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 19h53m49.9980 0.699877039rad' )
2026-07-03 07:23:40	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:23:40	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:23:40	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:23:40	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:23:40	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:23:40	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:23:40	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:23:40	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:23:40	INFO	MSTransformManager::open	Select data
2026-07-03 07:23:40	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:23:43	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:23:43	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 0.699877039rad' successfully parsed
2026-07-03 07:23:43	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:23:44	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:23:44	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:23:39.585893 End time: 2026-07-03 07:23:43.831014
2026-07-03 07:23:44	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:23:44	INFO	phaseshift::::casa	##########################################
2026-07-03 07:23:44	INFO	tclean::::casa	##########################################
2026-07-03 07:23:44	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:23:44	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, 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 )
2026-07-03 07:23:44	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:23:44	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:23:44	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:23:44	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:23:44	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:23:44	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:23:44	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:23:44	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:23:44	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:23:44	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:23:44	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:23:44	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:23:45	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:23:45	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02209
2026-07-03 07:23:45	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:23:45	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:23:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:23:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:23:48	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:23:48	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:23:48	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:23:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:23:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:23:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:23:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:23:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:23:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:23:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:23:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:23:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:23:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:23:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:23:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:23:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:23:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:23:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:23:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:23:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:23:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:23:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:23:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:23:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:23:54	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:23:54	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:23:54	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:23:55	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:23:55	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:23:56	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:23:43.860401 End time: 2026-07-03 07:23:56.493554
2026-07-03 07:23:56	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:23:56	INFO	tclean::::casa	##########################################
2026-07-03 07:23:57	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:23:57	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:23:57	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)
2026-07-03 07:23:57	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:23:57	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:23:57 2026******
2026-07-03 07:23:57	INFO	ImageFitter::fit+	
2026-07-03 07:23:57	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:23:57	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:23:57	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:23:57	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:23:57	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:23:57	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:23:57	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:23:57	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:23:57	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:23:57	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:23:57	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)
2026-07-03 07:23:57	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:23:57	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:23:57	INFO	imstat::::casa	##########################################
2026-07-03 07:23:57	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:23:57	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 )
2026-07-03 07:23:57	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:23:57	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:23:57	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:23:57	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:23:57	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:23:57	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)
2026-07-03 07:23:57	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:23:57	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:23:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:23:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:23:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:23:57	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:23:57	INFO	imstat::::	Values --- 
2026-07-03 07:23:57	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:23:57	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:23:57	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:23:57	INFO	imstat::::	         -- minimum value [min]:                    -7.77867e-05 Jy/beam
2026-07-03 07:23:57	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:23:57	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:23:57	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:23:57	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-07-03 07:23:57	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:23:57	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:23:57	INFO	imstat::::	Statistics --- 
2026-07-03 07:23:57	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:23:57	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:23:57	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:23:57	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:23:57	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86761e-05 Jy/beam
2026-07-03 07:23:57	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam
2026-07-03 07:23:57	INFO	imstat::::	        -- IQR [quartile]:                          3.56319e-05 Jy/beam
2026-07-03 07:23:57	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-07-03 07:23:57	INFO	imstat::::	        -- Third quartile [q3]:                     1.11659e-06 Jy/beam
2026-07-03 07:23:57	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:23:57	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:23:57	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:23:57	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:23:57	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:23:57	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:23:57	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
2026-07-03 07:23:57	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:23:56.548789 End time: 2026-07-03 07:23:56.581389
2026-07-03 07:23:57	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:23:57	INFO	imstat::::casa	##########################################
2026-07-03 07:23:57	INFO	phaseshift::::casa	##########################################
2026-07-03 07:23:57	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:23:57	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 19:53:49.9980 40d06m0.0019' )
2026-07-03 07:23:57	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:23:57	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:23:57	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:23:57	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:23:57	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:23:57	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:23:57	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:23:57	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:23:57	INFO	MSTransformManager::open	Select data
2026-07-03 07:23:57	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:24:00	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:24:00	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 40d06m0.0019' successfully parsed
2026-07-03 07:24:00	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:24:01	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:24:01	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:23:56.595306 End time: 2026-07-03 07:24:00.874789
2026-07-03 07:24:01	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:24:01	INFO	phaseshift::::casa	##########################################
2026-07-03 07:24:01	INFO	tclean::::casa	##########################################
2026-07-03 07:24:01	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:24:01	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, 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 )
2026-07-03 07:24:01	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:24:01	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:24:01	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:24:01	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:24:01	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:24:01	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:24:01	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:24:01	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:24:01	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:24:01	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:24:01	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:24:01	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:24:02	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:24:02	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020922
2026-07-03 07:24:02	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:24:02	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:24:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:24:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:24:04	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:24:04	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:24:04	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:24:04	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:24:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:24:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:24:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:24:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:24:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:24:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:24:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:24:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:24:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:24:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:24:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:24:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:24:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:24:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:24:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:24:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:24:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:24:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:24:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:24:11	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:24:11	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:24:11	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:24:12	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:24:12	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:24:14	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:24:00.904853 End time: 2026-07-03 07:24:13.729893
2026-07-03 07:24:14	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:24:14	INFO	tclean::::casa	##########################################
2026-07-03 07:24:14	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:24:14	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:24:14	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)
2026-07-03 07:24:14	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:24:14	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:24:14 2026******
2026-07-03 07:24:14	INFO	ImageFitter::fit+	
2026-07-03 07:24:14	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:24:14	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:24:14	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:24:14	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:24:14	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:24:14	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:24:14	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:24:14	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:24:14	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:24:14	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:24:14	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)
2026-07-03 07:24:14	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:24:14	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:24:14	INFO	imstat::::casa	##########################################
2026-07-03 07:24:14	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:24:14	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 )
2026-07-03 07:24:14	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:24:14	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:24:14	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:24:14	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:24:14	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:24:14	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)
2026-07-03 07:24:14	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:24:14	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:24:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:24:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:24:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:24:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:24:14	INFO	imstat::::	Values --- 
2026-07-03 07:24:14	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:24:14	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:24:14	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:24:14	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-07-03 07:24:14	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:24:14	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:24:14	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:24:14	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-07-03 07:24:14	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:24:14	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:24:14	INFO	imstat::::	Statistics --- 
2026-07-03 07:24:14	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:24:14	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:24:14	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:24:14	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:24:14	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86712e-05 Jy/beam
2026-07-03 07:24:14	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam
2026-07-03 07:24:14	INFO	imstat::::	        -- IQR [quartile]:                          3.56293e-05 Jy/beam
2026-07-03 07:24:14	INFO	imstat::::	        -- First quartile [q1]:                     -3.45095e-05 Jy/beam
2026-07-03 07:24:14	INFO	imstat::::	        -- Third quartile [q3]:                     1.1198e-06 Jy/beam
2026-07-03 07:24:14	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:24:14	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:24:14	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:24:14	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:24:14	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:24:14	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:24:14	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
2026-07-03 07:24:14	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:24:13.792285 End time: 2026-07-03 07:24:13.812852
2026-07-03 07:24:14	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:24:14	INFO	imstat::::casa	##########################################
2026-07-03 07:24:14	INFO	phaseshift::::casa	##########################################
2026-07-03 07:24:14	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:24:14	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 19:53:49.9980 02:40:24.0001' )
2026-07-03 07:24:14	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:24:14	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:24:14	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:24:14	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:24:14	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:24:14	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:24:14	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:24:14	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:24:14	INFO	MSTransformManager::open	Select data
2026-07-03 07:24:14	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:24:17	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-07-03 07:24:17	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 02:40:24.0001' successfully parsed
2026-07-03 07:24:17	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:24:18	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:24:18	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:24:13.825435 End time: 2026-07-03 07:24:17.571633
2026-07-03 07:24:18	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:24:18	INFO	phaseshift::::casa	##########################################
2026-07-03 07:24:18	INFO	tclean::::casa	##########################################
2026-07-03 07:24:18	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:24:18	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, 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 )
2026-07-03 07:24:18	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:24:18	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:24:18	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:24:18	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:24:18	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:24:18	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:24:18	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:24:18	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:24:18	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:24:18	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:24:18	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:24:18	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:24:19	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:24:19	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023298
2026-07-03 07:24:19	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:24:19	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:24:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:24:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:24:21	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:24:21	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:24:21	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:24:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:24:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:24:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:24:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:24:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:24:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:24:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:24:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:24:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:24:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:24:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:24:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:24:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:24:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:24:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:24:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:24:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:24:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:24:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:24:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:24:27	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:24:27	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:24:27	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:24:28	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:24:28	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:24:30	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:24:17.601429 End time: 2026-07-03 07:24:29.825356
2026-07-03 07:24:30	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:24:30	INFO	tclean::::casa	##########################################
2026-07-03 07:24:30	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:24:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:24:30	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)
2026-07-03 07:24:30	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:24:30	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:24:30 2026******
2026-07-03 07:24:30	INFO	ImageFitter::fit+	
2026-07-03 07:24:30	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:24:30	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:24:30	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:24:30	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:24:30	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:24:30	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:24:30	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:24:30	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:24:30	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:24:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:24:30	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)
2026-07-03 07:24:30	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116891 Jy
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126504 Jy
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:24:30	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:24:30	INFO	imstat::::casa	##########################################
2026-07-03 07:24:30	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:24:30	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 )
2026-07-03 07:24:30	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:24:30	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:24:30	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:24:30	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:24:30	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:24:30	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)
2026-07-03 07:24:30	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:24:30	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:24:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:24:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:24:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:24:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:24:30	INFO	imstat::::	Values --- 
2026-07-03 07:24:30	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:24:30	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:24:30	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:24:30	INFO	imstat::::	         -- minimum value [min]:                    -7.78094e-05 Jy/beam
2026-07-03 07:24:30	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:24:30	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:24:30	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:24:30	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-07-03 07:24:30	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:24:30	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:24:30	INFO	imstat::::	Statistics --- 
2026-07-03 07:24:30	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:24:30	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:24:30	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:24:30	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:24:30	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86846e-05 Jy/beam
2026-07-03 07:24:30	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam
2026-07-03 07:24:30	INFO	imstat::::	        -- IQR [quartile]:                          3.56505e-05 Jy/beam
2026-07-03 07:24:30	INFO	imstat::::	        -- First quartile [q1]:                     -3.45202e-05 Jy/beam
2026-07-03 07:24:30	INFO	imstat::::	        -- Third quartile [q3]:                     1.13024e-06 Jy/beam
2026-07-03 07:24:30	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:24:30	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:24:30	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:24:30	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:24:30	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:24:30	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:24:30	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
2026-07-03 07:24:30	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:24:29.877378 End time: 2026-07-03 07:24:29.896766
2026-07-03 07:24:30	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:24:30	INFO	imstat::::casa	##########################################
2026-07-03 07:24:30	INFO	phaseshift::::casa	##########################################
2026-07-03 07:24:30	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:24:30	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40.100000528deg' )
2026-07-03 07:24:30	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:24:30	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:24:30	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:24:30	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:24:30	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:24:30	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:24:30	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:24:30	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:24:30	INFO	MSTransformManager::open	Select data
2026-07-03 07:24:30	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:24:33	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:24:33	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 40.100000528deg' successfully parsed
2026-07-03 07:24:33	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:24:34	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:24:34	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:24:29.909363 End time: 2026-07-03 07:24:34.134051
2026-07-03 07:24:34	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:24:34	INFO	phaseshift::::casa	##########################################
2026-07-03 07:24:34	INFO	tclean::::casa	##########################################
2026-07-03 07:24:34	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:24:34	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, 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 )
2026-07-03 07:24:34	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:24:34	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:24:34	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:24:34	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:24:34	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:24:34	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:24:34	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:24:34	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:24:34	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:24:34	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:24:34	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:24:34	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:24:35	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:24:36	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021873
2026-07-03 07:24:36	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:24:36	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:24:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:24:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:24:37	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:24:37	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:24:37	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:24:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:24:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:24:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:24:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:24:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:24:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:24:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:24:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:24:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:24:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:24:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:24:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:24:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:24:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:24:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:24:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:24:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:24:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:24:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:24:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:24:43	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:24:43	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:24:43	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:24:44	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:24:45	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:24:46	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:24:34.166766 End time: 2026-07-03 07:24:46.060756
2026-07-03 07:24:46	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:24:46	INFO	tclean::::casa	##########################################
2026-07-03 07:24:46	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:24:46	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:24:46	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)
2026-07-03 07:24:46	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:24:46	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:24:46 2026******
2026-07-03 07:24:46	INFO	ImageFitter::fit+	
2026-07-03 07:24:46	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:24:46	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:24:46	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:24:46	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:24:46	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:24:46	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:24:46	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:24:46	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:24:46	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:24:46	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:24:46	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)
2026-07-03 07:24:46	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116876 Jy
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:24:46	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:24:46	INFO	imstat::::casa	##########################################
2026-07-03 07:24:46	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:24:46	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 )
2026-07-03 07:24:46	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:24:46	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:24:46	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:24:46	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:24:46	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:24:46	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)
2026-07-03 07:24:46	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:24:46	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:24:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:24:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:24:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:24:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:24:46	INFO	imstat::::	Values --- 
2026-07-03 07:24:46	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:24:46	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:24:46	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:24:46	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-07-03 07:24:46	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:24:46	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:24:46	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:24:46	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-07-03 07:24:46	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:24:46	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:24:46	INFO	imstat::::	Statistics --- 
2026-07-03 07:24:46	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:24:46	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:24:46	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:24:46	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:24:46	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-07-03 07:24:46	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam
2026-07-03 07:24:46	INFO	imstat::::	        -- IQR [quartile]:                          3.56311e-05 Jy/beam
2026-07-03 07:24:46	INFO	imstat::::	        -- First quartile [q1]:                     -3.45119e-05 Jy/beam
2026-07-03 07:24:46	INFO	imstat::::	        -- Third quartile [q3]:                     1.11928e-06 Jy/beam
2026-07-03 07:24:46	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:24:46	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:24:46	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:24:46	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:24:46	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:24:46	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:24:46	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
2026-07-03 07:24:46	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:24:46.115081 End time: 2026-07-03 07:24:46.136297
2026-07-03 07:24:46	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:24:46	INFO	imstat::::casa	##########################################
2026-07-03 07:24:46	INFO	phaseshift::::casa	##########################################
2026-07-03 07:24:46	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:24:46	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 0.699877039rad' )
2026-07-03 07:24:46	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:24:46	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:24:46	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:24:46	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:24:46	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:24:46	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:24:46	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:24:46	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:24:46	INFO	MSTransformManager::open	Select data
2026-07-03 07:24:46	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:24:49	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:24:49	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 0.699877039rad' successfully parsed
2026-07-03 07:24:49	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:24:50	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:24:50	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:24:46.149945 End time: 2026-07-03 07:24:50.108314
2026-07-03 07:24:50	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:24:50	INFO	phaseshift::::casa	##########################################
2026-07-03 07:24:50	INFO	tclean::::casa	##########################################
2026-07-03 07:24:50	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:24:50	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, 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 )
2026-07-03 07:24:50	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:24:50	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:24:50	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:24:50	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:24:50	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:24:50	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:24:50	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:24:50	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:24:50	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:24:50	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:24:50	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:24:50	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:24:51	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:24:51	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023548
2026-07-03 07:24:51	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:24:51	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:24:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:24:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:24:53	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:24:53	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:24:53	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:24:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:24:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:24:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:24:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:24:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:24:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:24:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:24:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:24:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:24:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:24:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:24:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:24:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:24:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:24:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:24:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:24:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:24:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:24:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:24:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:24:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:24:59	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:24:59	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:24:59	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:25:00	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:25:01	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:25:02	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:24:50.138353 End time: 2026-07-03 07:25:01.928537
2026-07-03 07:25:02	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:25:02	INFO	tclean::::casa	##########################################
2026-07-03 07:25:02	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:25:02	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:25:02	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)
2026-07-03 07:25:02	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:25:02	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:25:02 2026******
2026-07-03 07:25:02	INFO	ImageFitter::fit+	
2026-07-03 07:25:02	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:25:02	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:25:02	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:25:02	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:25:02	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:25:02	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:25:02	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:25:02	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:25:02	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:25:02	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:25:02	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)
2026-07-03 07:25:02	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:25:02	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:25:02	INFO	imstat::::casa	##########################################
2026-07-03 07:25:02	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:25:02	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 )
2026-07-03 07:25:02	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:25:02	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:25:02	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:25:02	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:25:02	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:25:02	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)
2026-07-03 07:25:02	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:25:02	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:25:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:25:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:25:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:25:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:25:02	INFO	imstat::::	Values --- 
2026-07-03 07:25:02	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:25:02	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:25:02	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:25:02	INFO	imstat::::	         -- minimum value [min]:                    -7.77867e-05 Jy/beam
2026-07-03 07:25:02	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:25:02	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:25:02	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:25:02	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-07-03 07:25:02	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:25:02	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:25:02	INFO	imstat::::	Statistics --- 
2026-07-03 07:25:02	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:25:02	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:25:02	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:25:02	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:25:02	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86761e-05 Jy/beam
2026-07-03 07:25:02	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam
2026-07-03 07:25:02	INFO	imstat::::	        -- IQR [quartile]:                          3.56319e-05 Jy/beam
2026-07-03 07:25:02	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-07-03 07:25:02	INFO	imstat::::	        -- Third quartile [q3]:                     1.11659e-06 Jy/beam
2026-07-03 07:25:02	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:25:02	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:25:02	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:25:02	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:25:02	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:25:02	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:25:02	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
2026-07-03 07:25:02	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:25:01.981013 End time: 2026-07-03 07:25:02.009595
2026-07-03 07:25:02	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:25:02	INFO	imstat::::casa	##########################################
2026-07-03 07:25:02	INFO	phaseshift::::casa	##########################################
2026-07-03 07:25:02	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:25:02	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 40d06m0.0019' )
2026-07-03 07:25:02	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:25:02	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:25:02	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:25:02	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:25:02	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:25:02	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:25:02	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:25:02	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:25:02	INFO	MSTransformManager::open	Select data
2026-07-03 07:25:02	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:25:05	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:25:05	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 40d06m0.0019' successfully parsed
2026-07-03 07:25:05	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:25:06	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:25:06	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:25:02.022685 End time: 2026-07-03 07:25:06.253377
2026-07-03 07:25:06	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:25:06	INFO	phaseshift::::casa	##########################################
2026-07-03 07:25:06	INFO	tclean::::casa	##########################################
2026-07-03 07:25:06	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:25:06	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, 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 )
2026-07-03 07:25:06	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:25:06	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:25:06	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:25:06	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:25:06	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:25:06	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:25:06	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:25:06	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:25:06	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:25:06	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:25:06	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:25:06	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:25:08	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:25:08	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021594
2026-07-03 07:25:08	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:25:08	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:25:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:25:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:25:10	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:25:10	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:25:10	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:25:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:25:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:25:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:25:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:25:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:25:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:25:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:25:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:25:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:25:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:25:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:25:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:25:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:25:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:25:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:25:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:25:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:25:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:25:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:25:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:25:16	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:25:16	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:25:16	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:25:16	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:25:17	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:25:18	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:25:06.282165 End time: 2026-07-03 07:25:18.072066
2026-07-03 07:25:18	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:25:18	INFO	tclean::::casa	##########################################
2026-07-03 07:25:18	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:25:18	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:25:18	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)
2026-07-03 07:25:18	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:25:18	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:25:18 2026******
2026-07-03 07:25:18	INFO	ImageFitter::fit+	
2026-07-03 07:25:18	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:25:18	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:25:18	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:25:18	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:25:18	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:25:18	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:25:18	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:25:18	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:25:18	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:25:18	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:25:18	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)
2026-07-03 07:25:18	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:25:18	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:25:18	INFO	imstat::::casa	##########################################
2026-07-03 07:25:18	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:25:18	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 )
2026-07-03 07:25:18	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:25:18	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:25:18	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:25:18	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:25:18	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:25:18	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)
2026-07-03 07:25:18	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:25:18	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:25:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:25:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:25:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:25:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:25:18	INFO	imstat::::	Values --- 
2026-07-03 07:25:18	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:25:18	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:25:18	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:25:18	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-07-03 07:25:18	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:25:18	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:25:18	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:25:18	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-07-03 07:25:18	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:25:18	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:25:18	INFO	imstat::::	Statistics --- 
2026-07-03 07:25:18	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:25:18	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:25:18	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:25:18	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:25:18	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86712e-05 Jy/beam
2026-07-03 07:25:18	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam
2026-07-03 07:25:18	INFO	imstat::::	        -- IQR [quartile]:                          3.56293e-05 Jy/beam
2026-07-03 07:25:18	INFO	imstat::::	        -- First quartile [q1]:                     -3.45095e-05 Jy/beam
2026-07-03 07:25:18	INFO	imstat::::	        -- Third quartile [q3]:                     1.1198e-06 Jy/beam
2026-07-03 07:25:18	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:25:18	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:25:18	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:25:18	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:25:18	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:25:18	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:25:18	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
2026-07-03 07:25:18	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:25:18.125611 End time: 2026-07-03 07:25:18.145183
2026-07-03 07:25:18	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:25:18	INFO	imstat::::casa	##########################################
2026-07-03 07:25:18	INFO	phaseshift::::casa	##########################################
2026-07-03 07:25:18	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:25:18	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 02:40:24.0001' )
2026-07-03 07:25:18	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:25:18	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:25:18	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:25:18	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:25:18	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:25:18	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:25:18	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:25:18	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:25:18	INFO	MSTransformManager::open	Select data
2026-07-03 07:25:18	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:25:21	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-07-03 07:25:21	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 02:40:24.0001' successfully parsed
2026-07-03 07:25:21	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:25:22	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:25:22	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:25:18.158963 End time: 2026-07-03 07:25:22.306965
2026-07-03 07:25:22	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:25:22	INFO	phaseshift::::casa	##########################################
2026-07-03 07:25:22	INFO	tclean::::casa	##########################################
2026-07-03 07:25:22	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:25:22	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, 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 )
2026-07-03 07:25:22	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:25:22	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:25:22	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:25:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:25:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:25:22	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:25:22	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:25:22	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:25:22	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:25:22	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:25:22	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:25:22	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:25:24	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:25:24	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020492
2026-07-03 07:25:24	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:25:24	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:25:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:25:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:25:26	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:25:26	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:25:26	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:25:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:25:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:25:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:25:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:25:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:25:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:25:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:25:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:25:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:25:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:25:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:25:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:25:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:25:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:25:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:25:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:25:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:25:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:25:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:25:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:25:31	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:25:31	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:25:31	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:25:32	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:25:33	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:25:34	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:25:22.336783 End time: 2026-07-03 07:25:33.775473
2026-07-03 07:25:34	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:25:34	INFO	tclean::::casa	##########################################
2026-07-03 07:25:34	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:25:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:25:34	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)
2026-07-03 07:25:34	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:25:34	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:25:34 2026******
2026-07-03 07:25:34	INFO	ImageFitter::fit+	
2026-07-03 07:25:34	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:25:34	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:25:34	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:25:34	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:25:34	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:25:34	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:25:34	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:25:34	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:25:34	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:25:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:25:34	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)
2026-07-03 07:25:34	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116891 Jy
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126504 Jy
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:25:34	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:25:34	INFO	imstat::::casa	##########################################
2026-07-03 07:25:34	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:25:34	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 )
2026-07-03 07:25:34	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:25:34	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:25:34	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:25:34	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:25:34	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:25:34	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)
2026-07-03 07:25:34	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:25:34	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:25:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:25:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:25:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:25:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:25:34	INFO	imstat::::	Values --- 
2026-07-03 07:25:34	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:25:34	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:25:34	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:25:34	INFO	imstat::::	         -- minimum value [min]:                    -7.78094e-05 Jy/beam
2026-07-03 07:25:34	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:25:34	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:25:34	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:25:34	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-07-03 07:25:34	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:25:34	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:25:34	INFO	imstat::::	Statistics --- 
2026-07-03 07:25:34	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:25:34	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:25:34	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:25:34	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:25:34	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86846e-05 Jy/beam
2026-07-03 07:25:34	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam
2026-07-03 07:25:34	INFO	imstat::::	        -- IQR [quartile]:                          3.56505e-05 Jy/beam
2026-07-03 07:25:34	INFO	imstat::::	        -- First quartile [q1]:                     -3.45202e-05 Jy/beam
2026-07-03 07:25:34	INFO	imstat::::	        -- Third quartile [q3]:                     1.13024e-06 Jy/beam
2026-07-03 07:25:34	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:25:34	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:25:34	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:25:34	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:25:34	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:25:34	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:25:34	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
2026-07-03 07:25:34	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:25:33.831608 End time: 2026-07-03 07:25:33.858188
2026-07-03 07:25:34	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:25:34	INFO	imstat::::casa	##########################################
2026-07-03 07:25:34	INFO	phaseshift::::casa	##########################################
2026-07-03 07:25:34	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:25:34	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 298.458325000deg 40.100000528deg' )
2026-07-03 07:25:34	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:25:34	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:25:34	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:25:34	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:25:34	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:25:34	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:25:34	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:25:34	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:25:34	INFO	MSTransformManager::open	Select data
2026-07-03 07:25:34	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:25:37	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:25:37	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 40.100000528deg' successfully parsed
2026-07-03 07:25:37	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:25:38	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:25:38	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:25:33.872029 End time: 2026-07-03 07:25:38.103983
2026-07-03 07:25:38	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:25:38	INFO	phaseshift::::casa	##########################################
2026-07-03 07:25:38	INFO	tclean::::casa	##########################################
2026-07-03 07:25:38	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:25:38	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, 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 )
2026-07-03 07:25:38	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:25:38	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:25:38	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:25:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:25:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:25:38	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:25:38	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:25:38	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:25:38	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:25:38	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:25:38	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:25:38	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:25:40	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:25:40	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024405
2026-07-03 07:25:40	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:25:40	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:25:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:25:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:25:42	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:25:42	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:25:42	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:25:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:25:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:25:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:25:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:25:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:25:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:25:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:25:44	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:25:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:25:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:25:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:25:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:25:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:25:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:25:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:25:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:25:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:25:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:25:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:25:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:25:48	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:25:48	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:25:48	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:25:48	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:25:49	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:25:50	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:25:38.135051 End time: 2026-07-03 07:25:50.026554
2026-07-03 07:25:50	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:25:50	INFO	tclean::::casa	##########################################
2026-07-03 07:25:50	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:25:50	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:25:50	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)
2026-07-03 07:25:50	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:25:50	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:25:50 2026******
2026-07-03 07:25:50	INFO	ImageFitter::fit+	
2026-07-03 07:25:50	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:25:50	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:25:50	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:25:50	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:25:50	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:25:50	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:25:50	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:25:50	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:25:50	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:25:50	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:25:50	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)
2026-07-03 07:25:50	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116876 Jy
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:25:50	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:25:50	INFO	imstat::::casa	##########################################
2026-07-03 07:25:50	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:25:50	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 )
2026-07-03 07:25:50	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:25:50	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:25:50	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:25:50	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:25:50	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:25:50	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)
2026-07-03 07:25:50	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:25:50	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:25:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:25:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:25:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:25:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:25:50	INFO	imstat::::	Values --- 
2026-07-03 07:25:50	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:25:50	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:25:50	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:25:50	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-07-03 07:25:50	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:25:50	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:25:50	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:25:50	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-07-03 07:25:50	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:25:50	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:25:50	INFO	imstat::::	Statistics --- 
2026-07-03 07:25:50	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:25:50	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:25:50	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:25:50	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:25:50	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-07-03 07:25:50	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam
2026-07-03 07:25:50	INFO	imstat::::	        -- IQR [quartile]:                          3.56311e-05 Jy/beam
2026-07-03 07:25:50	INFO	imstat::::	        -- First quartile [q1]:                     -3.45119e-05 Jy/beam
2026-07-03 07:25:50	INFO	imstat::::	        -- Third quartile [q3]:                     1.11928e-06 Jy/beam
2026-07-03 07:25:50	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:25:50	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:25:50	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:25:50	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:25:50	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:25:50	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:25:50	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
2026-07-03 07:25:50	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:25:50.080137 End time: 2026-07-03 07:25:50.099822
2026-07-03 07:25:50	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:25:50	INFO	imstat::::casa	##########################################
2026-07-03 07:25:50	INFO	phaseshift::::casa	##########################################
2026-07-03 07:25:50	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:25:50	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' )
2026-07-03 07:25:50	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:25:50	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:25:50	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:25:50	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:25:50	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:25:50	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:25:50	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:25:50	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:25:50	INFO	MSTransformManager::open	Select data
2026-07-03 07:25:50	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:25:53	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:25:53	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 0.699877039rad' successfully parsed
2026-07-03 07:25:53	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:25:54	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:25:54	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:25:50.112947 End time: 2026-07-03 07:25:53.970535
2026-07-03 07:25:54	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:25:54	INFO	phaseshift::::casa	##########################################
2026-07-03 07:25:54	INFO	tclean::::casa	##########################################
2026-07-03 07:25:54	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:25:54	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, 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 )
2026-07-03 07:25:54	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:25:54	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:25:54	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:25:54	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:25:54	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:25:54	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:25:54	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:25:54	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:25:54	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:25:54	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:25:54	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:25:54	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:25:55	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:25:55	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023913
2026-07-03 07:25:55	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:25:55	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:25:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:25:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:25:58	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:25:58	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:25:58	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:25:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:25:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:25:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:25:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:25:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:25:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:25:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:26:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:26:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:26:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:26:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:26:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:26:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:26:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:26:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:26:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:26:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:26:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:26:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:26:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:26:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:26:04	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:26:04	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:26:04	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:26:05	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:26:05	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:26:06	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:25:53.999092 End time: 2026-07-03 07:26:06.136852
2026-07-03 07:26:06	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:26:06	INFO	tclean::::casa	##########################################
2026-07-03 07:26:06	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:26:06	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:26:06	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)
2026-07-03 07:26:06	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:26:06	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:26:06 2026******
2026-07-03 07:26:06	INFO	ImageFitter::fit+	
2026-07-03 07:26:06	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:26:06	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:26:06	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:26:06	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:26:06	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:26:06	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:26:06	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:26:06	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:26:06	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:26:06	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:26:06	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)
2026-07-03 07:26:06	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:26:06	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:26:06	INFO	imstat::::casa	##########################################
2026-07-03 07:26:06	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:26:06	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 )
2026-07-03 07:26:06	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:26:06	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:26:06	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:26:06	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:26:06	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:26:06	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)
2026-07-03 07:26:06	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:26:06	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:26:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:26:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:26:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:26:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:26:06	INFO	imstat::::	Values --- 
2026-07-03 07:26:06	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:26:06	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:26:06	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:26:06	INFO	imstat::::	         -- minimum value [min]:                    -7.77867e-05 Jy/beam
2026-07-03 07:26:06	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:26:06	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:26:06	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:26:06	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-07-03 07:26:06	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:26:06	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:26:06	INFO	imstat::::	Statistics --- 
2026-07-03 07:26:06	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:26:06	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:26:06	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:26:06	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:26:06	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86761e-05 Jy/beam
2026-07-03 07:26:06	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam
2026-07-03 07:26:06	INFO	imstat::::	        -- IQR [quartile]:                          3.56319e-05 Jy/beam
2026-07-03 07:26:06	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-07-03 07:26:06	INFO	imstat::::	        -- Third quartile [q3]:                     1.11659e-06 Jy/beam
2026-07-03 07:26:06	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:26:06	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:26:06	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:26:06	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:26:06	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:26:06	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:26:06	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
2026-07-03 07:26:06	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:26:06.189589 End time: 2026-07-03 07:26:06.210516
2026-07-03 07:26:06	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:26:06	INFO	imstat::::casa	##########################################
2026-07-03 07:26:06	INFO	phaseshift::::casa	##########################################
2026-07-03 07:26:06	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:26:06	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 5.209080451rad 40d06m0.0019' )
2026-07-03 07:26:06	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:26:06	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:26:06	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:26:06	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:26:06	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:26:06	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:26:06	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:26:06	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:26:06	INFO	MSTransformManager::open	Select data
2026-07-03 07:26:06	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:26:09	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:26:09	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 40d06m0.0019' successfully parsed
2026-07-03 07:26:09	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:26:10	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:26:10	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:26:06.223123 End time: 2026-07-03 07:26:10.051329
2026-07-03 07:26:10	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:26:10	INFO	phaseshift::::casa	##########################################
2026-07-03 07:26:10	INFO	tclean::::casa	##########################################
2026-07-03 07:26:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:26:10	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, 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 )
2026-07-03 07:26:10	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:26:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:26:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:26:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:26:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:26:10	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:26:10	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:26:10	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:26:10	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:26:10	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:26:10	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:26:10	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:26:11	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:26:12	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021148
2026-07-03 07:26:12	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:26:12	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:26:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:26:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:26:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:26:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:26:14	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:26:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:26:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:26:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:26:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:26:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:26:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:26:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:26:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:26:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:26:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:26:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:26:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:26:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:26:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:26:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:26:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:26:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:26:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:26:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:26:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:26:20	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:26:20	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:26:20	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:26:21	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:26:21	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:26:22	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:26:10.081616 End time: 2026-07-03 07:26:22.230379
2026-07-03 07:26:22	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:26:22	INFO	tclean::::casa	##########################################
2026-07-03 07:26:22	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:26:22	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:26:22	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)
2026-07-03 07:26:22	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:26:22	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:26:22 2026******
2026-07-03 07:26:22	INFO	ImageFitter::fit+	
2026-07-03 07:26:22	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:26:22	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:26:22	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:26:22	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:26:22	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:26:22	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:26:22	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:26:22	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:26:22	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:26:22	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:26:22	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)
2026-07-03 07:26:22	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116878 Jy
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126494 Jy
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:26:22	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:26:22	INFO	imstat::::casa	##########################################
2026-07-03 07:26:22	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:26:22	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 )
2026-07-03 07:26:22	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:26:22	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:26:22	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:26:22	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:26:22	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:26:22	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)
2026-07-03 07:26:22	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:26:22	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:26:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:26:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:26:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:26:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:26:22	INFO	imstat::::	Values --- 
2026-07-03 07:26:22	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:26:22	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:26:22	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:26:22	INFO	imstat::::	         -- minimum value [min]:                    -7.77984e-05 Jy/beam
2026-07-03 07:26:22	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:26:22	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:26:22	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:26:22	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-07-03 07:26:22	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:26:22	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:26:22	INFO	imstat::::	Statistics --- 
2026-07-03 07:26:22	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:26:22	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:26:22	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:26:22	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:26:22	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86704e-05 Jy/beam
2026-07-03 07:26:22	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7365e-05 Jy/beam
2026-07-03 07:26:22	INFO	imstat::::	        -- IQR [quartile]:                          3.56348e-05 Jy/beam
2026-07-03 07:26:22	INFO	imstat::::	        -- First quartile [q1]:                     -3.45131e-05 Jy/beam
2026-07-03 07:26:22	INFO	imstat::::	        -- Third quartile [q3]:                     1.12172e-06 Jy/beam
2026-07-03 07:26:22	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:26:22	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:26:22	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:26:22	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:26:22	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:26:22	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:26:22	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
2026-07-03 07:26:22	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:26:22.283940 End time: 2026-07-03 07:26:22.304226
2026-07-03 07:26:22	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:26:22	INFO	imstat::::casa	##########################################
2026-07-03 07:26:22	INFO	phaseshift::::casa	##########################################
2026-07-03 07:26:22	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:26:22	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 02:40:24.0001' )
2026-07-03 07:26:22	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:26:22	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:26:22	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:26:22	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:26:22	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:26:22	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:26:22	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:26:22	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:26:22	INFO	MSTransformManager::open	Select data
2026-07-03 07:26:22	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:26:25	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 ".".
2026-07-03 07:26:25	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 02:40:24.0001' successfully parsed
2026-07-03 07:26:25	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:26:26	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:26:26	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:26:22.318797 End time: 2026-07-03 07:26:26.154800
2026-07-03 07:26:26	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:26:26	INFO	phaseshift::::casa	##########################################
2026-07-03 07:26:26	INFO	tclean::::casa	##########################################
2026-07-03 07:26:26	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:26:26	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, 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 )
2026-07-03 07:26:26	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:26:26	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:26:26	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:26:26	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:26:26	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:26:26	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:26:26	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:26:26	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:26:26	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:26:26	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:26:26	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:26:26	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:26:27	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:26:27	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02061
2026-07-03 07:26:27	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:26:27	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:26:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:26:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:26:29	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:26:29	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:26:29	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:26:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:26:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:26:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:26:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:26:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:26:31	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:26:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:26:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:26:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:26:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:26:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:26:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:26:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:26:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:26:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:26:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:26:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:26:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:26:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:26:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:26:36	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:26:36	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:26:36	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:26:36	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:26:37	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:26:38	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:26:26.184455 End time: 2026-07-03 07:26:37.876865
2026-07-03 07:26:38	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:26:38	INFO	tclean::::casa	##########################################
2026-07-03 07:26:38	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:26:38	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:26:38	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)
2026-07-03 07:26:38	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:26:38	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:26:38 2026******
2026-07-03 07:26:38	INFO	ImageFitter::fit+	
2026-07-03 07:26:38	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:26:38	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:26:38	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:26:38	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:26:38	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:26:38	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:26:38	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:26:38	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:26:38	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:26:38	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:26:38	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)
2026-07-03 07:26:38	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116894 Jy
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126508 Jy
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:26:38	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:26:38	INFO	imstat::::casa	##########################################
2026-07-03 07:26:38	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:26:38	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 )
2026-07-03 07:26:38	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:26:38	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:26:38	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:26:38	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:26:38	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:26:38	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)
2026-07-03 07:26:38	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:26:38	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:26:38	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:26:38	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:26:38	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:26:38	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:26:38	INFO	imstat::::	Values --- 
2026-07-03 07:26:38	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:26:38	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:26:38	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:26:38	INFO	imstat::::	         -- minimum value [min]:                    -7.78076e-05 Jy/beam
2026-07-03 07:26:38	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:26:38	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:26:38	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:26:38	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-07-03 07:26:38	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:26:38	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:26:38	INFO	imstat::::	Statistics --- 
2026-07-03 07:26:38	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:26:38	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:26:38	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:26:38	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:26:38	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86848e-05 Jy/beam
2026-07-03 07:26:38	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73951e-05 Jy/beam
2026-07-03 07:26:38	INFO	imstat::::	        -- IQR [quartile]:                          3.56676e-05 Jy/beam
2026-07-03 07:26:38	INFO	imstat::::	        -- First quartile [q1]:                     -3.45186e-05 Jy/beam
2026-07-03 07:26:38	INFO	imstat::::	        -- Third quartile [q3]:                     1.14894e-06 Jy/beam
2026-07-03 07:26:38	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:26:38	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:26:38	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:26:38	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:26:38	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:26:38	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:26:38	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
2026-07-03 07:26:38	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:26:37.929060 End time: 2026-07-03 07:26:37.948699
2026-07-03 07:26:38	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:26:38	INFO	imstat::::casa	##########################################
2026-07-03 07:26:38	INFO	phaseshift::::casa	##########################################
2026-07-03 07:26:38	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:26:38	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' )
2026-07-03 07:26:38	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:26:38	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:26:38	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:26:38	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:26:38	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:26:38	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:26:38	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:26:38	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:26:38	INFO	MSTransformManager::open	Select data
2026-07-03 07:26:38	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:26:41	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:26:41	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 40.100000528deg' successfully parsed
2026-07-03 07:26:41	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:26:42	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:26:42	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:26:37.961245 End time: 2026-07-03 07:26:42.149952
2026-07-03 07:26:42	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:26:42	INFO	phaseshift::::casa	##########################################
2026-07-03 07:26:42	INFO	tclean::::casa	##########################################
2026-07-03 07:26:42	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:26:42	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, 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 )
2026-07-03 07:26:42	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:26:42	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:26:42	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:26:42	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:26:42	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:26:42	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:26:42	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:26:42	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:26:42	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:26:42	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:26:42	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:26:42	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:26:44	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:26:44	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020794
2026-07-03 07:26:44	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:26:44	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:26:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:26:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:26:46	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:26:46	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:26:46	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:26:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:26:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:26:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:26:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:26:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:26:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:26:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:26:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:26:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:26:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:26:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:26:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:26:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:26:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:26:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:26:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:26:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:26:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:26:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:26:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:26:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:26:52	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:26:52	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:26:52	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:26:53	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:26:53	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:26:54	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:26:42.179272 End time: 2026-07-03 07:26:54.065365
2026-07-03 07:26:54	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:26:54	INFO	tclean::::casa	##########################################
2026-07-03 07:26:54	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:26:54	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:26:54	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)
2026-07-03 07:26:54	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:26:54	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:26:54 2026******
2026-07-03 07:26:54	INFO	ImageFitter::fit+	
2026-07-03 07:26:54	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:26:54	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:26:54	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:26:54	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:26:54	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:26:54	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:26:54	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:26:54	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:26:54	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:26:54	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:26:54	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)
2026-07-03 07:26:54	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116882 Jy
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126496 Jy
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:26:54	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:26:54	INFO	imstat::::casa	##########################################
2026-07-03 07:26:54	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:26:54	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 )
2026-07-03 07:26:54	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:26:54	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:26:54	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:26:54	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:26:54	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:26:54	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)
2026-07-03 07:26:54	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:26:54	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:26:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:26:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:26:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:26:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:26:54	INFO	imstat::::	Values --- 
2026-07-03 07:26:54	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:26:54	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:26:54	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:26:54	INFO	imstat::::	         -- minimum value [min]:                    -7.77982e-05 Jy/beam
2026-07-03 07:26:54	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:26:54	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:26:54	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:26:54	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-07-03 07:26:54	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:26:54	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:26:54	INFO	imstat::::	Statistics --- 
2026-07-03 07:26:54	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:26:54	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:26:54	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:26:54	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:26:54	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86711e-05 Jy/beam
2026-07-03 07:26:54	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73646e-05 Jy/beam
2026-07-03 07:26:54	INFO	imstat::::	        -- IQR [quartile]:                          3.56367e-05 Jy/beam
2026-07-03 07:26:54	INFO	imstat::::	        -- First quartile [q1]:                     -3.45138e-05 Jy/beam
2026-07-03 07:26:54	INFO	imstat::::	        -- Third quartile [q3]:                     1.12291e-06 Jy/beam
2026-07-03 07:26:54	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:26:54	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:26:54	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:26:54	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:26:54	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:26:54	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:26:54	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
2026-07-03 07:26:54	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:26:54.121208 End time: 2026-07-03 07:26:54.141465
2026-07-03 07:26:54	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:26:54	INFO	imstat::::casa	##########################################
2026-07-03 07:26:54	INFO	phaseshift::::casa	##########################################
2026-07-03 07:26:54	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:26:54	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 0.699877039rad' )
2026-07-03 07:26:54	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:26:54	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:26:54	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:26:54	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:26:54	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:26:54	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:26:54	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:26:54	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:26:54	INFO	MSTransformManager::open	Select data
2026-07-03 07:26:54	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:26:57	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:26:57	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 0.699877039rad' successfully parsed
2026-07-03 07:26:57	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:26:58	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:26:58	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:26:54.155889 End time: 2026-07-03 07:26:57.838155
2026-07-03 07:26:58	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:26:58	INFO	phaseshift::::casa	##########################################
2026-07-03 07:26:58	INFO	tclean::::casa	##########################################
2026-07-03 07:26:58	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:26:58	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, 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 )
2026-07-03 07:26:58	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:26:58	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:26:58	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:26:58	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:26:58	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:26:58	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:26:58	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:26:58	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:26:58	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:26:58	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:26:58	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:26:58	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:26:59	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:26:59	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023863
2026-07-03 07:26:59	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:26:59	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:27:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:27:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:27:01	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:27:01	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:27:01	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:27:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:27:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:27:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:27:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:27:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:27:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:27:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:27:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:27:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:27:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:27:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374443277716637, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:27:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:27:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:27:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:27:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:27:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852561634033918, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:27:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:27:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:27:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:27:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:27:08	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:27:08	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:27:08	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:27:09	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:27:09	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:27:10	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:26:57.867214 End time: 2026-07-03 07:27:10.365000
2026-07-03 07:27:10	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:27:10	INFO	tclean::::casa	##########################################
2026-07-03 07:27:10	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:27:10	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:27:10	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)
2026-07-03 07:27:10	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:27:10	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:27:10 2026******
2026-07-03 07:27:10	INFO	ImageFitter::fit+	
2026-07-03 07:27:10	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:27:10	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:27:10	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:27:10	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:27:10	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:27:10	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:27:10	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:27:10	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:27:10	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:27:10	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:27:10	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)
2026-07-03 07:27:10	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116879 Jy
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126495 Jy
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:27:10	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:27:10	INFO	imstat::::casa	##########################################
2026-07-03 07:27:10	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:27:10	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 )
2026-07-03 07:27:10	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:27:10	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:27:10	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:27:10	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:27:10	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:27:10	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)
2026-07-03 07:27:10	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:27:10	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:27:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:27:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:27:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:27:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:27:10	INFO	imstat::::	Values --- 
2026-07-03 07:27:10	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:27:10	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:27:10	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:27:10	INFO	imstat::::	         -- minimum value [min]:                    -7.77898e-05 Jy/beam
2026-07-03 07:27:10	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:27:10	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:27:10	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:27:10	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-07-03 07:27:10	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:27:10	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:27:10	INFO	imstat::::	Statistics --- 
2026-07-03 07:27:10	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:27:10	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:27:10	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:27:10	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:27:10	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86769e-05 Jy/beam
2026-07-03 07:27:10	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73662e-05 Jy/beam
2026-07-03 07:27:10	INFO	imstat::::	        -- IQR [quartile]:                          3.5634e-05 Jy/beam
2026-07-03 07:27:10	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-07-03 07:27:10	INFO	imstat::::	        -- Third quartile [q3]:                     1.1187e-06 Jy/beam
2026-07-03 07:27:10	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:27:10	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:27:10	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:27:10	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:27:10	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:27:10	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:27:10	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
2026-07-03 07:27:10	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:27:10.417167 End time: 2026-07-03 07:27:10.437454
2026-07-03 07:27:10	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:27:10	INFO	imstat::::casa	##########################################
2026-07-03 07:27:10	INFO	phaseshift::::casa	##########################################
2026-07-03 07:27:10	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:27:10	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' )
2026-07-03 07:27:10	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:27:10	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:27:10	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:27:10	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:27:10	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:27:10	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:27:10	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:27:10	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:27:10	INFO	MSTransformManager::open	Select data
2026-07-03 07:27:10	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:27:14	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:27:14	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 +006d21m09.7433' successfully parsed
2026-07-03 07:27:14	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:27:14	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:27:14	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:27:10.451247 End time: 2026-07-03 07:27:14.427809
2026-07-03 07:27:14	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:27:14	INFO	phaseshift::::casa	##########################################
2026-07-03 07:27:14	INFO	tclean::::casa	##########################################
2026-07-03 07:27:14	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:27:14	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, 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 )
2026-07-03 07:27:14	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:27:14	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:27:14	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:27:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:27:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:27:15	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:27:15	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:27:15	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:27:15	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:27:15	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:27:15	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:27:15	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:27:16	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:27:16	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021325
2026-07-03 07:27:16	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:27:16	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:27:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:27:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:27:17	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:27:18	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:27:18	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:27:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:27:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:27:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:27:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:27:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:27:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:27:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:27:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:27:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:27:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:27:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:27:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:27:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:27:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:27:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:27:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:27:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:27:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:27:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:27:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:27:24	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:27:24	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:27:24	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:27:25	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:27:25	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:27:26	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:27:14.457335 End time: 2026-07-03 07:27:26.179321
2026-07-03 07:27:26	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:27:26	INFO	tclean::::casa	##########################################
2026-07-03 07:27:26	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:27:26	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:27:26	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)
2026-07-03 07:27:26	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:27:26	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:27:26 2026******
2026-07-03 07:27:26	INFO	ImageFitter::fit+	
2026-07-03 07:27:26	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:27:26	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:27:26	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:27:26	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:27:26	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:27:26	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:27:26	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:27:26	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:27:26	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:27:26	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:27:26	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)
2026-07-03 07:27:26	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:27:26	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:27:26	INFO	imstat::::casa	##########################################
2026-07-03 07:27:26	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:27:26	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 )
2026-07-03 07:27:26	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:27:26	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:27:26	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:27:26	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:27:26	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:27:26	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)
2026-07-03 07:27:26	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:27:26	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:27:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:27:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:27:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:27:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:27:26	INFO	imstat::::	Values --- 
2026-07-03 07:27:26	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:27:26	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:27:26	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:27:26	INFO	imstat::::	         -- minimum value [min]:                    -7.77795e-05 Jy/beam
2026-07-03 07:27:26	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:27:26	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:27:26	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:27:26	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:27:26	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:27:26	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:27:26	INFO	imstat::::	Statistics --- 
2026-07-03 07:27:26	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:27:26	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:27:26	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:27:26	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:27:26	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86702e-05 Jy/beam
2026-07-03 07:27:26	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam
2026-07-03 07:27:26	INFO	imstat::::	        -- IQR [quartile]:                          3.56029e-05 Jy/beam
2026-07-03 07:27:26	INFO	imstat::::	        -- First quartile [q1]:                     -3.45082e-05 Jy/beam
2026-07-03 07:27:26	INFO	imstat::::	        -- Third quartile [q3]:                     1.09472e-06 Jy/beam
2026-07-03 07:27:26	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:27:26	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:27:26	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:27:26	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:27:26	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:27:26	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:27:26	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
2026-07-03 07:27:26	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:27:26.231645 End time: 2026-07-03 07:27:26.251364
2026-07-03 07:27:26	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:27:26	INFO	imstat::::casa	##########################################
2026-07-03 07:27:26	INFO	phaseshift::::casa	##########################################
2026-07-03 07:27:26	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:27:26	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' )
2026-07-03 07:27:26	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:27:26	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:27:26	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:27:26	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:27:26	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:27:26	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:27:26	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:27:26	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:27:26	INFO	MSTransformManager::open	Select data
2026-07-03 07:27:26	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:27:29	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 ".".
2026-07-03 07:27:29	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 00:25:24.6496' successfully parsed
2026-07-03 07:27:29	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:27:30	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:27:30	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:27:26.264337 End time: 2026-07-03 07:27:30.110531
2026-07-03 07:27:30	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:27:30	INFO	phaseshift::::casa	##########################################
2026-07-03 07:27:30	INFO	tclean::::casa	##########################################
2026-07-03 07:27:30	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:27:30	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, 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 )
2026-07-03 07:27:30	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:27:30	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:27:30	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:27:30	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:27:30	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:27:30	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:27:30	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:27:30	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:27:30	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:27:30	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:27:30	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:27:30	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:27:32	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:27:32	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021376
2026-07-03 07:27:32	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:27:32	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:27:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:27:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:27:34	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:27:34	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:27:34	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:27:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:27:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:27:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:27:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:27:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:27:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:27:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:27:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:27:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:27:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:27:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:27:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:27:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:27:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:27:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:27:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:27:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:27:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:27:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:27:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:27:40	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:27:40	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:27:40	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:27:41	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:27:41	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:27:42	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:27:30.141495 End time: 2026-07-03 07:27:42.196619
2026-07-03 07:27:42	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:27:42	INFO	tclean::::casa	##########################################
2026-07-03 07:27:42	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:27:42	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:27:42	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)
2026-07-03 07:27:42	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:27:42	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:27:42 2026******
2026-07-03 07:27:42	INFO	ImageFitter::fit+	
2026-07-03 07:27:42	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:27:42	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:27:42	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:27:42	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:27:42	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:27:42	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:27:42	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:27:42	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:27:42	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:27:42	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:27:42	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)
2026-07-03 07:27:42	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116907 Jy
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012652 Jy
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000038 +/- 0.000777 arcsec
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999939 +/- 0.000127 pixels
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999957 +/- 0.000097 pixels
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:27:42	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:27:42	INFO	imstat::::casa	##########################################
2026-07-03 07:27:42	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:27:42	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 )
2026-07-03 07:27:42	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:27:42	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:27:42	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:27:42	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:27:42	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:27:42	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)
2026-07-03 07:27:42	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:27:42	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:27:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:27:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:27:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-07-03 07:27:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-07-03 07:27:42	INFO	imstat::::	Values --- 
2026-07-03 07:27:42	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:27:42	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:27:42	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:27:42	INFO	imstat::::	         -- minimum value [min]:                    -7.78732e-05 Jy/beam
2026-07-03 07:27:42	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:27:42	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:27:42	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:27:42	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:27:42	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:27:42	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:27:42	INFO	imstat::::	Statistics --- 
2026-07-03 07:27:42	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:27:42	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:27:42	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:27:42	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:27:42	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86516e-05 Jy/beam
2026-07-03 07:27:42	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam
2026-07-03 07:27:42	INFO	imstat::::	        -- IQR [quartile]:                          3.56959e-05 Jy/beam
2026-07-03 07:27:42	INFO	imstat::::	        -- First quartile [q1]:                     -3.45348e-05 Jy/beam
2026-07-03 07:27:42	INFO	imstat::::	        -- Third quartile [q3]:                     1.16101e-06 Jy/beam
2026-07-03 07:27:42	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:27:42	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:27:42	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:27:42	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:27:42	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:27:42	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:27:42	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
2026-07-03 07:27:42	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:27:42.246252 End time: 2026-07-03 07:27:42.264321
2026-07-03 07:27:42	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:27:42	INFO	imstat::::casa	##########################################
2026-07-03 07:27:42	INFO	phaseshift::::casa	##########################################
2026-07-03 07:27:42	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:27:42	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' )
2026-07-03 07:27:42	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:27:42	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:27:42	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:27:42	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:27:42	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:27:42	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:27:42	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:27:42	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:27:42	INFO	MSTransformManager::open	Select data
2026-07-03 07:27:42	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:27:45	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:27:45	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 6.352706472deg' successfully parsed
2026-07-03 07:27:45	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:27:46	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:27:46	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:27:42.276469 End time: 2026-07-03 07:27:46.149924
2026-07-03 07:27:46	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:27:46	INFO	phaseshift::::casa	##########################################
2026-07-03 07:27:46	INFO	tclean::::casa	##########################################
2026-07-03 07:27:46	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:27:46	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, 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 )
2026-07-03 07:27:46	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:27:46	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:27:46	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:27:46	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:27:46	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:27:46	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:27:46	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:27:46	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:27:46	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:27:46	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:27:46	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:27:46	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:27:48	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:27:48	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020766
2026-07-03 07:27:48	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:27:48	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:27:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:27:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:27:50	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:27:50	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:27:50	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:27:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:27:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:27:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:27:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:27:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:27:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:27:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:27:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:27:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:27:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:27:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:27:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:27:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:27:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:27:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:27:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:27:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:27:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:27:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:27:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:27:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:27:56	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:27:56	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:27:56	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:27:58	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:27:58	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:27:59	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:27:46.179841 End time: 2026-07-03 07:27:59.111519
2026-07-03 07:27:59	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:27:59	INFO	tclean::::casa	##########################################
2026-07-03 07:27:59	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:27:59	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:27:59	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)
2026-07-03 07:27:59	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:27:59	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:27:59 2026******
2026-07-03 07:27:59	INFO	ImageFitter::fit+	
2026-07-03 07:27:59	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:27:59	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:27:59	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:27:59	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:27:59	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:27:59	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:27:59	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:27:59	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:27:59	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:27:59	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:27:59	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)
2026-07-03 07:27:59	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116872 Jy
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:27:59	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:27:59	INFO	imstat::::casa	##########################################
2026-07-03 07:27:59	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:27:59	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 )
2026-07-03 07:27:59	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:27:59	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:27:59	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:27:59	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:27:59	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:27:59	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)
2026-07-03 07:27:59	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:27:59	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:27:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:27:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:27:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:27:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:27:59	INFO	imstat::::	Values --- 
2026-07-03 07:27:59	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:27:59	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:27:59	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:27:59	INFO	imstat::::	         -- minimum value [min]:                    -7.7777e-05 Jy/beam
2026-07-03 07:27:59	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:27:59	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:27:59	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:27:59	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:27:59	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:27:59	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:27:59	INFO	imstat::::	Statistics --- 
2026-07-03 07:27:59	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:27:59	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:27:59	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:27:59	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:27:59	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86705e-05 Jy/beam
2026-07-03 07:27:59	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam
2026-07-03 07:27:59	INFO	imstat::::	        -- IQR [quartile]:                          3.56027e-05 Jy/beam
2026-07-03 07:27:59	INFO	imstat::::	        -- First quartile [q1]:                     -3.45074e-05 Jy/beam
2026-07-03 07:27:59	INFO	imstat::::	        -- Third quartile [q3]:                     1.09529e-06 Jy/beam
2026-07-03 07:27:59	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:27:59	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:27:59	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:27:59	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:27:59	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:27:59	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:27:59	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
2026-07-03 07:27:59	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:27:59.175997 End time: 2026-07-03 07:27:59.197231
2026-07-03 07:27:59	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:27:59	INFO	imstat::::casa	##########################################
2026-07-03 07:27:59	INFO	phaseshift::::casa	##########################################
2026-07-03 07:27:59	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:27:59	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 0.110875644rad' )
2026-07-03 07:27:59	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:27:59	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:27:59	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:27:59	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:27:59	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:27:59	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:27:59	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:27:59	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:27:59	INFO	MSTransformManager::open	Select data
2026-07-03 07:27:59	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:28:02	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:28:02	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 0.110875644rad' successfully parsed
2026-07-03 07:28:02	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:28:03	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:28:03	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:27:59.210316 End time: 2026-07-03 07:28:03.016805
2026-07-03 07:28:03	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:28:03	INFO	phaseshift::::casa	##########################################
2026-07-03 07:28:03	INFO	tclean::::casa	##########################################
2026-07-03 07:28:03	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:28:03	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, 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 )
2026-07-03 07:28:03	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:28:03	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:28:03	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:28:03	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:28:03	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:28:03	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:28:03	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:28:03	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:28:03	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:28:03	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:28:03	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:28:03	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:28:04	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:28:04	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022934
2026-07-03 07:28:04	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:28:04	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:28:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:28:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:28:07	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:28:07	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:28:07	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:28:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:28:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:28:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:28:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:28:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:28:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:28:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:28:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:28:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:28:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:28:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:28:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:28:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:28:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:28:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:28:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:28:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:28:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:28:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:28:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:28:13	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:28:13	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:28:13	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:28:14	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:28:14	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:28:16	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:28:03.046785 End time: 2026-07-03 07:28:15.575388
2026-07-03 07:28:16	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:28:16	INFO	tclean::::casa	##########################################
2026-07-03 07:28:16	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:28:16	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:28:16	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)
2026-07-03 07:28:16	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:28:16	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:28:16 2026******
2026-07-03 07:28:16	INFO	ImageFitter::fit+	
2026-07-03 07:28:16	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:28:16	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:28:16	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:28:16	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:28:16	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:28:16	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:28:16	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:28:16	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:28:16	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:28:16	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:28:16	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)
2026-07-03 07:28:16	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000012 +/- 0.000127 pixels
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:28:16	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:28:16	INFO	imstat::::casa	##########################################
2026-07-03 07:28:16	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:28:16	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 )
2026-07-03 07:28:16	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:28:16	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:28:16	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:28:16	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:28:16	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:28:16	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)
2026-07-03 07:28:16	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:28:16	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:28:16	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:28:16	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:28:16	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:28:16	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:28:16	INFO	imstat::::	Values --- 
2026-07-03 07:28:16	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:28:16	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:28:16	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:28:16	INFO	imstat::::	         -- minimum value [min]:                    -7.77849e-05 Jy/beam
2026-07-03 07:28:16	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:28:16	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:28:16	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:28:16	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-07-03 07:28:16	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:28:16	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:28:16	INFO	imstat::::	Statistics --- 
2026-07-03 07:28:16	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:28:16	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:28:16	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:28:16	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:28:16	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-07-03 07:28:16	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam
2026-07-03 07:28:16	INFO	imstat::::	        -- IQR [quartile]:                          3.56016e-05 Jy/beam
2026-07-03 07:28:16	INFO	imstat::::	        -- First quartile [q1]:                     -3.45087e-05 Jy/beam
2026-07-03 07:28:16	INFO	imstat::::	        -- Third quartile [q3]:                     1.0929e-06 Jy/beam
2026-07-03 07:28:16	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:28:16	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:28:16	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:28:16	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:28:16	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:28:16	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:28:16	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
2026-07-03 07:28:16	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:28:15.634632 End time: 2026-07-03 07:28:15.662332
2026-07-03 07:28:16	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:28:16	INFO	imstat::::casa	##########################################
2026-07-03 07:28:16	INFO	phaseshift::::casa	##########################################
2026-07-03 07:28:16	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:28:16	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 +006d21m09.7433' )
2026-07-03 07:28:16	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:28:16	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:28:16	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:28:16	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:28:16	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:28:16	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:28:16	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:28:16	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:28:16	INFO	MSTransformManager::open	Select data
2026-07-03 07:28:16	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:28:19	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:28:19	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 +006d21m09.7433' successfully parsed
2026-07-03 07:28:19	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:28:19	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:28:20	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:28:15.675001 End time: 2026-07-03 07:28:19.535996
2026-07-03 07:28:20	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:28:20	INFO	phaseshift::::casa	##########################################
2026-07-03 07:28:20	INFO	tclean::::casa	##########################################
2026-07-03 07:28:20	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:28:20	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, 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 )
2026-07-03 07:28:20	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:28:20	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:28:20	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:28:20	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:28:20	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:28:20	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:28:20	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:28:20	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:28:20	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:28:20	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:28:20	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:28:20	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:28:21	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:28:21	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022187
2026-07-03 07:28:21	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:28:21	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:28:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:28:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:28:23	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:28:23	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:28:23	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:28:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:28:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:28:24	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:28:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:28:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:28:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:28:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:28:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:28:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:28:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:28:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:28:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:28:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:28:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:28:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:28:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:28:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:28:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:28:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:28:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:28:30	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:28:30	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:28:30	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:28:30	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:28:31	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:28:32	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:28:19.565144 End time: 2026-07-03 07:28:32.074655
2026-07-03 07:28:32	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:28:32	INFO	tclean::::casa	##########################################
2026-07-03 07:28:32	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:28:32	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:28:32	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)
2026-07-03 07:28:32	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:28:32	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:28:32 2026******
2026-07-03 07:28:32	INFO	ImageFitter::fit+	
2026-07-03 07:28:32	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:28:32	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:28:32	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:28:32	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:28:32	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:28:32	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:28:32	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:28:32	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:28:32	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:28:32	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:28:32	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)
2026-07-03 07:28:32	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:28:32	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:28:32	INFO	imstat::::casa	##########################################
2026-07-03 07:28:32	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:28:32	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 )
2026-07-03 07:28:32	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:28:32	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:28:32	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:28:32	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:28:32	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:28:32	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)
2026-07-03 07:28:32	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:28:32	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:28:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:28:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:28:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:28:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:28:32	INFO	imstat::::	Values --- 
2026-07-03 07:28:32	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:28:32	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:28:32	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:28:32	INFO	imstat::::	         -- minimum value [min]:                    -7.77795e-05 Jy/beam
2026-07-03 07:28:32	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:28:32	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:28:32	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:28:32	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:28:32	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:28:32	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:28:32	INFO	imstat::::	Statistics --- 
2026-07-03 07:28:32	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:28:32	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:28:32	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:28:32	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:28:32	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86702e-05 Jy/beam
2026-07-03 07:28:32	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam
2026-07-03 07:28:32	INFO	imstat::::	        -- IQR [quartile]:                          3.56029e-05 Jy/beam
2026-07-03 07:28:32	INFO	imstat::::	        -- First quartile [q1]:                     -3.45082e-05 Jy/beam
2026-07-03 07:28:32	INFO	imstat::::	        -- Third quartile [q3]:                     1.09472e-06 Jy/beam
2026-07-03 07:28:32	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:28:32	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:28:32	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:28:32	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:28:32	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:28:32	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:28:32	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
2026-07-03 07:28:32	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:28:32.136027 End time: 2026-07-03 07:28:32.168115
2026-07-03 07:28:32	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:28:32	INFO	imstat::::casa	##########################################
2026-07-03 07:28:32	INFO	phaseshift::::casa	##########################################
2026-07-03 07:28:32	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:28:32	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 00:25:24.6496' )
2026-07-03 07:28:32	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:28:32	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:28:32	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:28:32	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:28:32	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:28:32	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:28:32	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:28:32	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:28:32	INFO	MSTransformManager::open	Select data
2026-07-03 07:28:32	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:28:35	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 ".".
2026-07-03 07:28:35	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 00:25:24.6496' successfully parsed
2026-07-03 07:28:35	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:28:36	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:28:36	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:28:32.182762 End time: 2026-07-03 07:28:36.161893
2026-07-03 07:28:36	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:28:36	INFO	phaseshift::::casa	##########################################
2026-07-03 07:28:36	INFO	tclean::::casa	##########################################
2026-07-03 07:28:36	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:28:36	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, 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 )
2026-07-03 07:28:36	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:28:36	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:28:36	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:28:36	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:28:36	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:28:36	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:28:36	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:28:36	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:28:36	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:28:36	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:28:36	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:28:36	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:28:37	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:28:37	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021234
2026-07-03 07:28:37	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:28:37	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:28:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:28:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:28:39	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:28:39	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:28:40	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:28:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:28:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:28:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:28:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:28:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:28:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:28:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:28:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:28:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:28:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:28:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:28:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:28:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:28:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:28:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:28:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:28:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:28:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:28:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:28:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:28:46	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:28:46	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:28:46	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:28:46	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:28:47	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:28:48	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:28:36.193254 End time: 2026-07-03 07:28:48.086403
2026-07-03 07:28:48	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:28:48	INFO	tclean::::casa	##########################################
2026-07-03 07:28:48	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:28:48	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:28:48	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)
2026-07-03 07:28:48	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:28:48	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:28:48 2026******
2026-07-03 07:28:48	INFO	ImageFitter::fit+	
2026-07-03 07:28:48	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:28:48	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:28:48	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:28:48	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:28:48	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:28:48	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:28:48	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:28:48	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:28:48	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:28:48	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:28:48	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)
2026-07-03 07:28:48	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116907 Jy
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012652 Jy
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000038 +/- 0.000777 arcsec
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999939 +/- 0.000127 pixels
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999957 +/- 0.000097 pixels
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:28:48	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:28:48	INFO	imstat::::casa	##########################################
2026-07-03 07:28:48	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:28:48	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 )
2026-07-03 07:28:48	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:28:48	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:28:48	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:28:48	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:28:48	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:28:48	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)
2026-07-03 07:28:48	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:28:48	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:28:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:28:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:28:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-07-03 07:28:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-07-03 07:28:48	INFO	imstat::::	Values --- 
2026-07-03 07:28:48	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:28:48	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:28:48	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:28:48	INFO	imstat::::	         -- minimum value [min]:                    -7.78732e-05 Jy/beam
2026-07-03 07:28:48	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:28:48	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:28:48	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:28:48	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:28:48	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:28:48	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:28:48	INFO	imstat::::	Statistics --- 
2026-07-03 07:28:48	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:28:48	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:28:48	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:28:48	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:28:48	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86516e-05 Jy/beam
2026-07-03 07:28:48	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam
2026-07-03 07:28:48	INFO	imstat::::	        -- IQR [quartile]:                          3.56959e-05 Jy/beam
2026-07-03 07:28:48	INFO	imstat::::	        -- First quartile [q1]:                     -3.45348e-05 Jy/beam
2026-07-03 07:28:48	INFO	imstat::::	        -- Third quartile [q3]:                     1.16101e-06 Jy/beam
2026-07-03 07:28:48	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:28:48	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:28:48	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:28:48	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:28:48	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:28:48	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:28:48	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
2026-07-03 07:28:48	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:28:48.143734 End time: 2026-07-03 07:28:48.176434
2026-07-03 07:28:48	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:28:48	INFO	imstat::::casa	##########################################
2026-07-03 07:28:48	INFO	phaseshift::::casa	##########################################
2026-07-03 07:28:48	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:28:48	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 6.352706472deg' )
2026-07-03 07:28:48	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:28:48	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:28:48	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:28:48	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:28:48	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:28:48	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:28:48	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:28:48	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:28:48	INFO	MSTransformManager::open	Select data
2026-07-03 07:28:48	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:28:51	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:28:51	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 6.352706472deg' successfully parsed
2026-07-03 07:28:51	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:28:52	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:28:52	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:28:48.189581 End time: 2026-07-03 07:28:51.907792
2026-07-03 07:28:52	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:28:52	INFO	phaseshift::::casa	##########################################
2026-07-03 07:28:52	INFO	tclean::::casa	##########################################
2026-07-03 07:28:52	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:28:52	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, 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 )
2026-07-03 07:28:52	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:28:52	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:28:52	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:28:52	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:28:52	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:28:52	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:28:52	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:28:52	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:28:52	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:28:52	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:28:52	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:28:52	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:28:53	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:28:53	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.030999
2026-07-03 07:28:53	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:28:53	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:28:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:28:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:28:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:28:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:28:55	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:28:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:28:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:28:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:28:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:28:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:28:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:28:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:28:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:28:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:28:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:28:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:28:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:28:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:28:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:28:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:29:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:29:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:29:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:29:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:29:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:29:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:29:01	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:29:01	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:29:01	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:29:02	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:29:02	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:29:03	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:28:51.937794 End time: 2026-07-03 07:29:03.435594
2026-07-03 07:29:03	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:29:03	INFO	tclean::::casa	##########################################
2026-07-03 07:29:03	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:29:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:29:03	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)
2026-07-03 07:29:03	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:29:03	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:29:03 2026******
2026-07-03 07:29:03	INFO	ImageFitter::fit+	
2026-07-03 07:29:03	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:29:03	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:29:03	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:29:03	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:29:03	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:29:03	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:29:03	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:29:03	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:29:03	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:29:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:29:03	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)
2026-07-03 07:29:03	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116872 Jy
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:29:03	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:29:03	INFO	imstat::::casa	##########################################
2026-07-03 07:29:03	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:29:03	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 )
2026-07-03 07:29:03	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:29:03	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:29:03	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:29:03	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:29:03	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:29:03	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)
2026-07-03 07:29:04	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:29:04	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:29:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:29:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:29:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:29:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:29:04	INFO	imstat::::	Values --- 
2026-07-03 07:29:04	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:29:04	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:29:04	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:29:04	INFO	imstat::::	         -- minimum value [min]:                    -7.7777e-05 Jy/beam
2026-07-03 07:29:04	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:29:04	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:29:04	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:29:04	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:29:04	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:29:04	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:29:04	INFO	imstat::::	Statistics --- 
2026-07-03 07:29:04	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:29:04	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:29:04	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:29:04	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:29:04	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86705e-05 Jy/beam
2026-07-03 07:29:04	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam
2026-07-03 07:29:04	INFO	imstat::::	        -- IQR [quartile]:                          3.56027e-05 Jy/beam
2026-07-03 07:29:04	INFO	imstat::::	        -- First quartile [q1]:                     -3.45074e-05 Jy/beam
2026-07-03 07:29:04	INFO	imstat::::	        -- Third quartile [q3]:                     1.09529e-06 Jy/beam
2026-07-03 07:29:04	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:29:04	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:29:04	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:29:04	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:29:04	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:29:04	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:29:04	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
2026-07-03 07:29:04	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:29:03.489998 End time: 2026-07-03 07:29:03.509993
2026-07-03 07:29:04	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:29:04	INFO	imstat::::casa	##########################################
2026-07-03 07:29:04	INFO	phaseshift::::casa	##########################################
2026-07-03 07:29:04	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:29:04	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 0.110875644rad' )
2026-07-03 07:29:04	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:29:04	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:29:04	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:29:04	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:29:04	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:29:04	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:29:04	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:29:04	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:29:04	INFO	MSTransformManager::open	Select data
2026-07-03 07:29:04	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:29:07	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:29:07	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 0.110875644rad' successfully parsed
2026-07-03 07:29:07	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:29:07	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:29:07	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:29:03.522471 End time: 2026-07-03 07:29:07.475995
2026-07-03 07:29:07	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:29:07	INFO	phaseshift::::casa	##########################################
2026-07-03 07:29:08	INFO	tclean::::casa	##########################################
2026-07-03 07:29:08	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:29:08	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, 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 )
2026-07-03 07:29:08	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:29:08	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:29:08	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:29:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:29:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:29:08	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:29:08	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:29:08	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:29:08	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:29:08	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:29:08	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:29:08	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:29:09	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:29:09	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022224
2026-07-03 07:29:09	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:29:09	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:29:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:29:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:29:11	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:29:11	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:29:11	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:29:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:29:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:29:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:29:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:29:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:29:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:29:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:29:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:29:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:29:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:29:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:29:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:29:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:29:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:29:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:29:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:29:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:29:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:29:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:29:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:29:17	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:29:17	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:29:17	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:29:18	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:29:18	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:29:20	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:29:07.505655 End time: 2026-07-03 07:29:19.997121
2026-07-03 07:29:20	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:29:20	INFO	tclean::::casa	##########################################
2026-07-03 07:29:20	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:29:20	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:29:20	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)
2026-07-03 07:29:20	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:29:20	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:29:20 2026******
2026-07-03 07:29:20	INFO	ImageFitter::fit+	
2026-07-03 07:29:20	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:29:20	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:29:20	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:29:20	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:29:20	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:29:20	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:29:20	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:29:20	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:29:20	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:29:20	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:29:20	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)
2026-07-03 07:29:20	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000012 +/- 0.000127 pixels
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:29:20	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:29:20	INFO	imstat::::casa	##########################################
2026-07-03 07:29:20	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:29:20	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 )
2026-07-03 07:29:20	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:29:20	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:29:20	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:29:20	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:29:20	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:29:20	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)
2026-07-03 07:29:20	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:29:20	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:29:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:29:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:29:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:29:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:29:20	INFO	imstat::::	Values --- 
2026-07-03 07:29:20	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:29:20	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:29:20	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:29:20	INFO	imstat::::	         -- minimum value [min]:                    -7.77849e-05 Jy/beam
2026-07-03 07:29:20	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:29:20	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:29:20	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:29:20	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-07-03 07:29:20	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:29:20	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:29:20	INFO	imstat::::	Statistics --- 
2026-07-03 07:29:20	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:29:20	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:29:20	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:29:20	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:29:20	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-07-03 07:29:20	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam
2026-07-03 07:29:20	INFO	imstat::::	        -- IQR [quartile]:                          3.56016e-05 Jy/beam
2026-07-03 07:29:20	INFO	imstat::::	        -- First quartile [q1]:                     -3.45087e-05 Jy/beam
2026-07-03 07:29:20	INFO	imstat::::	        -- Third quartile [q3]:                     1.0929e-06 Jy/beam
2026-07-03 07:29:20	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:29:20	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:29:20	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:29:20	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:29:20	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:29:20	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:29:20	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
2026-07-03 07:29:20	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:29:20.054380 End time: 2026-07-03 07:29:20.075817
2026-07-03 07:29:20	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:29:20	INFO	imstat::::casa	##########################################
2026-07-03 07:29:20	INFO	phaseshift::::casa	##########################################
2026-07-03 07:29:20	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:29:20	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 75.089719167deg +006d21m09.7433' )
2026-07-03 07:29:20	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:29:20	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:29:20	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:29:20	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:29:20	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:29:20	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:29:20	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:29:20	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:29:20	INFO	MSTransformManager::open	Select data
2026-07-03 07:29:20	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:29:23	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:29:23	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg +006d21m09.7433' successfully parsed
2026-07-03 07:29:23	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:29:24	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:29:24	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:29:20.088936 End time: 2026-07-03 07:29:24.132763
2026-07-03 07:29:24	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:29:24	INFO	phaseshift::::casa	##########################################
2026-07-03 07:29:24	INFO	tclean::::casa	##########################################
2026-07-03 07:29:24	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:29:24	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, 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 )
2026-07-03 07:29:24	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:29:24	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:29:24	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:29:24	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:29:24	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:29:24	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:29:24	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:29:24	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:29:24	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:29:24	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:29:24	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:29:24	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:29:25	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:29:25	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021595
2026-07-03 07:29:25	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:29:26	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:29:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:29:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:29:28	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:29:28	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:29:28	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:29:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:29:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:29:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:29:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:29:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:29:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:29:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:29:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:29:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:29:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:29:31	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:29:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:29:31	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:29:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:29:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:29:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:29:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:29:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:29:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:29:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:29:34	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:29:34	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:29:34	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:29:34	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:29:35	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:29:36	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:29:24.164639 End time: 2026-07-03 07:29:35.982513
2026-07-03 07:29:36	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:29:36	INFO	tclean::::casa	##########################################
2026-07-03 07:29:36	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:29:36	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:29:36	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)
2026-07-03 07:29:36	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:29:36	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:29:36 2026******
2026-07-03 07:29:36	INFO	ImageFitter::fit+	
2026-07-03 07:29:36	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:29:36	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:29:36	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:29:36	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:29:36	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:29:36	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:29:36	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:29:36	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:29:36	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:29:36	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:29:36	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)
2026-07-03 07:29:36	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116867 Jy
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126483 Jy
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999996 +/- 0.000097 pixels
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:29:36	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:29:36	INFO	imstat::::casa	##########################################
2026-07-03 07:29:36	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:29:36	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 )
2026-07-03 07:29:36	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:29:36	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:29:36	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:29:36	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:29:36	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:29:36	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)
2026-07-03 07:29:36	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:29:36	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:29:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:29:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:29:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:29:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:29:36	INFO	imstat::::	Values --- 
2026-07-03 07:29:36	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:29:36	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:29:36	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:29:36	INFO	imstat::::	         -- minimum value [min]:                    -7.77768e-05 Jy/beam
2026-07-03 07:29:36	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:29:36	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:29:36	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:29:36	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:29:36	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:29:36	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:29:36	INFO	imstat::::	Statistics --- 
2026-07-03 07:29:36	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:29:36	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:29:36	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:29:36	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:29:36	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86705e-05 Jy/beam
2026-07-03 07:29:36	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73609e-05 Jy/beam
2026-07-03 07:29:36	INFO	imstat::::	        -- IQR [quartile]:                          3.56013e-05 Jy/beam
2026-07-03 07:29:36	INFO	imstat::::	        -- First quartile [q1]:                     -3.4507e-05 Jy/beam
2026-07-03 07:29:36	INFO	imstat::::	        -- Third quartile [q3]:                     1.09435e-06 Jy/beam
2026-07-03 07:29:36	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:29:36	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:29:36	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:29:36	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:29:36	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:29:36	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:29:36	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
2026-07-03 07:29:36	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:29:36.038390 End time: 2026-07-03 07:29:36.059410
2026-07-03 07:29:36	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:29:36	INFO	imstat::::casa	##########################################
2026-07-03 07:29:36	INFO	phaseshift::::casa	##########################################
2026-07-03 07:29:36	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:29:36	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 00:25:24.6496' )
2026-07-03 07:29:36	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:29:36	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:29:36	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:29:36	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:29:36	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:29:36	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:29:36	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:29:36	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:29:36	INFO	MSTransformManager::open	Select data
2026-07-03 07:29:36	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:29:39	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 ".".
2026-07-03 07:29:39	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg 00:25:24.6496' successfully parsed
2026-07-03 07:29:39	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:29:40	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:29:40	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:29:36.072835 End time: 2026-07-03 07:29:40.046650
2026-07-03 07:29:40	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:29:40	INFO	phaseshift::::casa	##########################################
2026-07-03 07:29:40	INFO	tclean::::casa	##########################################
2026-07-03 07:29:40	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:29:40	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, 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 )
2026-07-03 07:29:40	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:29:40	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:29:40	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:29:40	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:29:40	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:29:40	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:29:40	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:29:40	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:29:40	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:29:40	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:29:40	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:29:40	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:29:42	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:29:42	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022629
2026-07-03 07:29:42	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:29:42	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:29:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:29:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:29:44	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:29:44	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:29:44	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:29:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:29:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:29:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:29:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:29:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:29:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:29:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:29:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:29:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:29:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:29:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:29:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:29:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:29:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:29:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:29:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:29:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:29:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:29:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:29:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:29:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:29:51	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:29:51	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:29:51	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:29:52	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:29:52	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:29:53	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:29:40.078139 End time: 2026-07-03 07:29:53.138385
2026-07-03 07:29:53	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:29:53	INFO	tclean::::casa	##########################################
2026-07-03 07:29:53	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:29:53	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:29:53	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)
2026-07-03 07:29:53	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:29:53	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:29:53 2026******
2026-07-03 07:29:53	INFO	ImageFitter::fit+	
2026-07-03 07:29:53	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:29:53	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:29:53	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:29:53	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:29:53	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:29:53	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:29:53	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:29:53	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:29:53	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:29:53	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:29:53	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)
2026-07-03 07:29:53	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116903 Jy
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126517 Jy
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000038 +/- 0.000777 arcsec
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999939 +/- 0.000127 pixels
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999957 +/- 0.000097 pixels
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:29:53	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:29:53	INFO	imstat::::casa	##########################################
2026-07-03 07:29:53	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:29:53	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 )
2026-07-03 07:29:53	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:29:53	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:29:53	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:29:53	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:29:53	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:29:53	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)
2026-07-03 07:29:53	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:29:53	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:29:53	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:29:53	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:29:53	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-07-03 07:29:53	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-07-03 07:29:53	INFO	imstat::::	Values --- 
2026-07-03 07:29:53	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:29:53	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:29:53	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:29:53	INFO	imstat::::	         -- minimum value [min]:                    -7.78731e-05 Jy/beam
2026-07-03 07:29:53	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:29:53	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:29:53	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:29:53	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:29:53	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:29:53	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:29:53	INFO	imstat::::	Statistics --- 
2026-07-03 07:29:53	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:29:53	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:29:53	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:29:53	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:29:53	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86503e-05 Jy/beam
2026-07-03 07:29:53	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73798e-05 Jy/beam
2026-07-03 07:29:53	INFO	imstat::::	        -- IQR [quartile]:                          3.56966e-05 Jy/beam
2026-07-03 07:29:53	INFO	imstat::::	        -- First quartile [q1]:                     -3.45352e-05 Jy/beam
2026-07-03 07:29:53	INFO	imstat::::	        -- Third quartile [q3]:                     1.16146e-06 Jy/beam
2026-07-03 07:29:53	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:29:53	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:29:53	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:29:53	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:29:53	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:29:53	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:29:53	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
2026-07-03 07:29:53	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:29:53.192134 End time: 2026-07-03 07:29:53.211566
2026-07-03 07:29:53	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:29:53	INFO	imstat::::casa	##########################################
2026-07-03 07:29:53	INFO	phaseshift::::casa	##########################################
2026-07-03 07:29:53	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:29:53	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 6.352706472deg' )
2026-07-03 07:29:53	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:29:53	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:29:53	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:29:53	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:29:53	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:29:53	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:29:53	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:29:53	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:29:53	INFO	MSTransformManager::open	Select data
2026-07-03 07:29:53	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:29:56	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:29:56	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg 6.352706472deg' successfully parsed
2026-07-03 07:29:56	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:29:57	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:29:57	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:29:53.224570 End time: 2026-07-03 07:29:57.156894
2026-07-03 07:29:57	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:29:57	INFO	phaseshift::::casa	##########################################
2026-07-03 07:29:57	INFO	tclean::::casa	##########################################
2026-07-03 07:29:57	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:29:57	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, 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 )
2026-07-03 07:29:57	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:29:57	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:29:57	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:29:57	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:29:57	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:29:57	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:29:57	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:29:57	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:29:57	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:29:57	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:29:57	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:29:57	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:29:59	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:29:59	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021892
2026-07-03 07:29:59	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:29:59	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:29:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:30:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:30:01	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:30:01	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:30:01	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:30:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:30:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:30:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:30:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:30:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:30:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:30:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:30:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:30:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:30:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:30:04	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:30:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:30:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:30:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:30:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:30:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:30:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:30:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:30:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:30:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:30:07	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:30:07	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:30:07	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:30:08	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:30:08	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:30:09	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:29:57.186151 End time: 2026-07-03 07:30:09.431364
2026-07-03 07:30:09	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:30:09	INFO	tclean::::casa	##########################################
2026-07-03 07:30:09	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:30:09	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:30:09	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)
2026-07-03 07:30:09	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:30:09	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:30:09 2026******
2026-07-03 07:30:09	INFO	ImageFitter::fit+	
2026-07-03 07:30:09	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:30:09	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:30:09	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:30:09	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:30:09	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:30:09	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:30:09	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:30:09	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:30:09	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:30:09	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:30:09	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)
2026-07-03 07:30:09	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00011687 Jy
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999996 +/- 0.000097 pixels
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:30:09	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:30:09	INFO	imstat::::casa	##########################################
2026-07-03 07:30:09	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:30:09	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 )
2026-07-03 07:30:09	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:30:09	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:30:09	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:30:09	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:30:09	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:30:09	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)
2026-07-03 07:30:09	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:30:09	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:30:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:30:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:30:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:30:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:30:10	INFO	imstat::::	Values --- 
2026-07-03 07:30:10	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:30:10	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:30:10	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:30:10	INFO	imstat::::	         -- minimum value [min]:                    -7.77771e-05 Jy/beam
2026-07-03 07:30:10	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:30:10	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:30:10	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:30:10	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:30:10	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:30:10	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:30:10	INFO	imstat::::	Statistics --- 
2026-07-03 07:30:10	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:30:10	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:30:10	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:30:10	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:30:10	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86715e-05 Jy/beam
2026-07-03 07:30:10	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73619e-05 Jy/beam
2026-07-03 07:30:10	INFO	imstat::::	        -- IQR [quartile]:                          3.56021e-05 Jy/beam
2026-07-03 07:30:10	INFO	imstat::::	        -- First quartile [q1]:                     -3.45061e-05 Jy/beam
2026-07-03 07:30:10	INFO	imstat::::	        -- Third quartile [q3]:                     1.09605e-06 Jy/beam
2026-07-03 07:30:10	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:30:10	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:30:10	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:30:10	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:30:10	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:30:10	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:30:10	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
2026-07-03 07:30:10	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:30:09.481966 End time: 2026-07-03 07:30:09.504284
2026-07-03 07:30:10	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:30:10	INFO	imstat::::casa	##########################################
2026-07-03 07:30:10	INFO	phaseshift::::casa	##########################################
2026-07-03 07:30:10	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:30:10	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' )
2026-07-03 07:30:10	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:30:10	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:30:10	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:30:10	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:30:10	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:30:10	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:30:10	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:30:10	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:30:10	INFO	MSTransformManager::open	Select data
2026-07-03 07:30:10	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:30:12	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:30:12	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg 0.110875644rad' successfully parsed
2026-07-03 07:30:12	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:30:13	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:30:13	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:30:09.517594 End time: 2026-07-03 07:30:13.211925
2026-07-03 07:30:13	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:30:13	INFO	phaseshift::::casa	##########################################
2026-07-03 07:30:13	INFO	tclean::::casa	##########################################
2026-07-03 07:30:13	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:30:13	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, 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 )
2026-07-03 07:30:13	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:30:13	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:30:13	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:30:13	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:30:13	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:30:13	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:30:13	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:30:13	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:30:13	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:30:13	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:30:13	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:30:13	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:30:14	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:30:15	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023005
2026-07-03 07:30:15	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:30:15	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:30:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:30:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:30:17	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:30:17	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:30:17	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:30:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:30:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:30:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:30:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:30:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:30:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:30:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:30:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:30:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:30:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:30:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:30:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:30:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:30:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:30:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:30:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:30:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:30:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:30:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:30:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:30:23	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:30:23	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:30:23	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:30:24	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:30:25	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:30:26	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:30:13.241778 End time: 2026-07-03 07:30:25.858550
2026-07-03 07:30:26	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:30:26	INFO	tclean::::casa	##########################################
2026-07-03 07:30:26	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:30:26	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:30:26	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)
2026-07-03 07:30:26	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:30:26	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:30:26 2026******
2026-07-03 07:30:26	INFO	ImageFitter::fit+	
2026-07-03 07:30:26	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:30:26	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:30:26	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:30:26	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:30:26	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:30:26	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:30:26	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:30:26	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:30:26	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:30:26	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:30:26	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)
2026-07-03 07:30:26	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126482 Jy
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000012 +/- 0.000127 pixels
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:30:26	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:30:26	INFO	imstat::::casa	##########################################
2026-07-03 07:30:26	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:30:26	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 )
2026-07-03 07:30:26	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:30:26	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:30:26	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:30:26	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:30:26	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:30:26	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)
2026-07-03 07:30:26	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:30:26	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:30:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:30:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:30:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:30:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:30:26	INFO	imstat::::	Values --- 
2026-07-03 07:30:26	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:30:26	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:30:26	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:30:26	INFO	imstat::::	         -- minimum value [min]:                    -7.77855e-05 Jy/beam
2026-07-03 07:30:26	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:30:26	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:30:26	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:30:26	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-07-03 07:30:26	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:30:26	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:30:26	INFO	imstat::::	Statistics --- 
2026-07-03 07:30:26	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:30:26	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:30:26	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:30:26	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:30:26	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86732e-05 Jy/beam
2026-07-03 07:30:26	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73562e-05 Jy/beam
2026-07-03 07:30:26	INFO	imstat::::	        -- IQR [quartile]:                          3.56008e-05 Jy/beam
2026-07-03 07:30:26	INFO	imstat::::	        -- First quartile [q1]:                     -3.45107e-05 Jy/beam
2026-07-03 07:30:26	INFO	imstat::::	        -- Third quartile [q3]:                     1.09015e-06 Jy/beam
2026-07-03 07:30:26	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:30:26	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:30:26	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:30:26	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:30:26	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:30:26	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:30:26	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
2026-07-03 07:30:26	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:30:25.922849 End time: 2026-07-03 07:30:25.943594
2026-07-03 07:30:26	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:30:26	INFO	imstat::::casa	##########################################
2026-07-03 07:30:26	INFO	phaseshift::::casa	##########################################
2026-07-03 07:30:26	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:30:26	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' )
2026-07-03 07:30:26	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:30:26	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:30:26	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:30:26	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:30:26	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:30:26	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:30:26	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:30:26	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:30:26	INFO	MSTransformManager::open	Select data
2026-07-03 07:30:26	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:30:29	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:30:29	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad +006d21m09.7433' successfully parsed
2026-07-03 07:30:29	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:30:30	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:30:30	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:30:25.956589 End time: 2026-07-03 07:30:30.086185
2026-07-03 07:30:30	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:30:30	INFO	phaseshift::::casa	##########################################
2026-07-03 07:30:30	INFO	tclean::::casa	##########################################
2026-07-03 07:30:30	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:30:30	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, 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 )
2026-07-03 07:30:30	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:30:30	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:30:30	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:30:30	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:30:30	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:30:30	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:30:30	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:30:30	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:30:30	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:30:30	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:30:30	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:30:30	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:30:31	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:30:31	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021609
2026-07-03 07:30:31	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:30:32	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:30:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:30:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:30:34	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:30:34	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:30:34	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:30:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:30:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:30:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:30:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:30:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:30:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:30:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:30:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:30:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:30:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:30:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:30:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:30:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:30:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:30:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:30:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:30:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:30:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:30:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:30:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:30:40	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:30:40	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:30:40	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:30:41	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:30:41	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:30:43	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:30:30.117329 End time: 2026-07-03 07:30:42.561592
2026-07-03 07:30:43	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:30:43	INFO	tclean::::casa	##########################################
2026-07-03 07:30:43	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:30:43	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:30:43	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)
2026-07-03 07:30:43	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:30:43	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:30:43 2026******
2026-07-03 07:30:43	INFO	ImageFitter::fit+	
2026-07-03 07:30:43	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:30:43	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:30:43	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:30:43	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:30:43	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:30:43	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:30:43	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:30:43	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:30:43	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:30:43	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:30:43	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)
2026-07-03 07:30:43	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116872 Jy
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000006 +/- 0.000777 arcsec
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000007 +/- 0.000127 pixels
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999994 +/- 0.000097 pixels
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:30:43	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:30:43	INFO	imstat::::casa	##########################################
2026-07-03 07:30:43	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:30:43	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 )
2026-07-03 07:30:43	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:30:43	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:30:43	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:30:43	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:30:43	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:30:43	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)
2026-07-03 07:30:43	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:30:43	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:30:43	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:30:43	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:30:43	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:30:43	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:30:43	INFO	imstat::::	Values --- 
2026-07-03 07:30:43	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:30:43	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:30:43	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:30:43	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-07-03 07:30:43	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:30:43	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:30:43	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:30:43	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:30:43	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:30:43	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:30:43	INFO	imstat::::	Statistics --- 
2026-07-03 07:30:43	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:30:43	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:30:43	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:30:43	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:30:43	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86669e-05 Jy/beam
2026-07-03 07:30:43	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73635e-05 Jy/beam
2026-07-03 07:30:43	INFO	imstat::::	        -- IQR [quartile]:                          3.56081e-05 Jy/beam
2026-07-03 07:30:43	INFO	imstat::::	        -- First quartile [q1]:                     -3.45085e-05 Jy/beam
2026-07-03 07:30:43	INFO	imstat::::	        -- Third quartile [q3]:                     1.09959e-06 Jy/beam
2026-07-03 07:30:43	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:30:43	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:30:43	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:30:43	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:30:43	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:30:43	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:30:43	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
2026-07-03 07:30:43	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:30:42.621215 End time: 2026-07-03 07:30:42.648047
2026-07-03 07:30:43	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:30:43	INFO	imstat::::casa	##########################################
2026-07-03 07:30:43	INFO	phaseshift::::casa	##########################################
2026-07-03 07:30:43	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:30:43	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 00:25:24.6496' )
2026-07-03 07:30:43	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:30:43	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:30:43	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:30:43	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:30:43	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:30:43	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:30:43	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:30:43	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:30:43	INFO	MSTransformManager::open	Select data
2026-07-03 07:30:43	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:30:46	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-07-03 07:30:46	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad 00:25:24.6496' successfully parsed
2026-07-03 07:30:46	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:30:46	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:30:46	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:30:42.661286 End time: 2026-07-03 07:30:46.475721
2026-07-03 07:30:46	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:30:46	INFO	phaseshift::::casa	##########################################
2026-07-03 07:30:47	INFO	tclean::::casa	##########################################
2026-07-03 07:30:47	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:30:47	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, 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 )
2026-07-03 07:30:47	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:30:47	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:30:47	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:30:47	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:30:47	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:30:47	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:30:47	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:30:47	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:30:47	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:30:47	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:30:47	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:30:47	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:30:48	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:30:48	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023059
2026-07-03 07:30:48	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:30:48	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:30:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:30:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:30:50	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:30:50	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:30:50	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:30:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:30:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:30:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:30:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:30:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:30:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:30:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:30:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:30:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:30:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:30:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:30:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:30:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:30:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:30:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:30:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:30:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:30:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:30:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:30:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:30:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:30:56	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:30:56	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:30:56	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:30:57	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:30:57	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:30:59	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:30:46.507180 End time: 2026-07-03 07:30:58.698819
2026-07-03 07:30:59	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:30:59	INFO	tclean::::casa	##########################################
2026-07-03 07:30:59	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:30:59	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:30:59	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)
2026-07-03 07:30:59	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:30:59	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:30:59 2026******
2026-07-03 07:30:59	INFO	ImageFitter::fit+	
2026-07-03 07:30:59	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:30:59	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:30:59	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:30:59	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:30:59	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:30:59	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:30:59	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:30:59	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:30:59	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:30:59	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:30:59	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)
2026-07-03 07:30:59	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116905 Jy
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012652 Jy
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000041 +/- 0.000777 arcsec
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999941 +/- 0.000127 pixels
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999954 +/- 0.000097 pixels
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:30:59	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:30:59	INFO	imstat::::casa	##########################################
2026-07-03 07:30:59	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:30:59	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 )
2026-07-03 07:30:59	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:30:59	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:30:59	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:30:59	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:30:59	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:30:59	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)
2026-07-03 07:30:59	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:30:59	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:30:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:30:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:30:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-07-03 07:30:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-07-03 07:30:59	INFO	imstat::::	Values --- 
2026-07-03 07:30:59	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:30:59	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:30:59	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:30:59	INFO	imstat::::	         -- minimum value [min]:                    -7.78774e-05 Jy/beam
2026-07-03 07:30:59	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:30:59	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:30:59	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:30:59	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:30:59	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:30:59	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:30:59	INFO	imstat::::	Statistics --- 
2026-07-03 07:30:59	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:30:59	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:30:59	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:30:59	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:30:59	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86532e-05 Jy/beam
2026-07-03 07:30:59	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73779e-05 Jy/beam
2026-07-03 07:30:59	INFO	imstat::::	        -- IQR [quartile]:                          3.5701e-05 Jy/beam
2026-07-03 07:30:59	INFO	imstat::::	        -- First quartile [q1]:                     -3.45356e-05 Jy/beam
2026-07-03 07:30:59	INFO	imstat::::	        -- Third quartile [q3]:                     1.16544e-06 Jy/beam
2026-07-03 07:30:59	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:30:59	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:30:59	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:30:59	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:30:59	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:30:59	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:30:59	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
2026-07-03 07:30:59	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:30:58.750846 End time: 2026-07-03 07:30:58.770636
2026-07-03 07:30:59	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:30:59	INFO	imstat::::casa	##########################################
2026-07-03 07:30:59	INFO	phaseshift::::casa	##########################################
2026-07-03 07:30:59	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:30:59	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 6.352706472deg' )
2026-07-03 07:30:59	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:30:59	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:30:59	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:30:59	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:30:59	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:30:59	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:30:59	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:30:59	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:30:59	INFO	MSTransformManager::open	Select data
2026-07-03 07:30:59	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:31:02	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:31:02	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad 6.352706472deg' successfully parsed
2026-07-03 07:31:02	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:31:02	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:31:02	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:30:58.782994 End time: 2026-07-03 07:31:02.396300
2026-07-03 07:31:02	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:31:02	INFO	phaseshift::::casa	##########################################
2026-07-03 07:31:02	INFO	tclean::::casa	##########################################
2026-07-03 07:31:02	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:31:02	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, 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 )
2026-07-03 07:31:02	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:31:02	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:31:02	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:31:03	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:31:03	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:31:03	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:31:03	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:31:03	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:31:03	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:31:03	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:31:03	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:31:03	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:31:04	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:31:04	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020855
2026-07-03 07:31:04	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:31:04	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:31:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:31:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:31:06	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:31:06	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:31:06	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:31:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:31:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:31:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:31:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:31:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:31:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:31:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:31:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:31:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:31:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:31:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:31:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:31:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:31:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:31:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:31:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:31:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:31:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:31:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:31:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:31:12	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:31:12	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:31:12	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:31:13	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:31:13	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:31:14	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:31:02.433747 End time: 2026-07-03 07:31:14.433221
2026-07-03 07:31:14	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:31:14	INFO	tclean::::casa	##########################################
2026-07-03 07:31:14	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:31:14	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:31:14	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)
2026-07-03 07:31:14	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:31:14	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:31:14 2026******
2026-07-03 07:31:14	INFO	ImageFitter::fit+	
2026-07-03 07:31:14	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:31:14	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:31:14	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:31:14	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:31:14	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:31:14	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:31:14	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:31:14	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:31:14	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:31:14	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:31:14	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)
2026-07-03 07:31:14	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000006 +/- 0.000777 arcsec
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000007 +/- 0.000127 pixels
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999994 +/- 0.000097 pixels
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:31:14	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:31:14	INFO	imstat::::casa	##########################################
2026-07-03 07:31:14	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:31:14	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 )
2026-07-03 07:31:14	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:31:14	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:31:14	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:31:14	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:31:14	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:31:14	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)
2026-07-03 07:31:14	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:31:14	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:31:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:31:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:31:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:31:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:31:15	INFO	imstat::::	Values --- 
2026-07-03 07:31:15	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:31:15	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:31:15	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:31:15	INFO	imstat::::	         -- minimum value [min]:                    -7.77798e-05 Jy/beam
2026-07-03 07:31:15	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:31:15	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:31:15	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:31:15	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:31:15	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:31:15	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:31:15	INFO	imstat::::	Statistics --- 
2026-07-03 07:31:15	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:31:15	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:31:15	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:31:15	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:31:15	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86675e-05 Jy/beam
2026-07-03 07:31:15	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73645e-05 Jy/beam
2026-07-03 07:31:15	INFO	imstat::::	        -- IQR [quartile]:                          3.56077e-05 Jy/beam
2026-07-03 07:31:15	INFO	imstat::::	        -- First quartile [q1]:                     -3.45073e-05 Jy/beam
2026-07-03 07:31:15	INFO	imstat::::	        -- Third quartile [q3]:                     1.1004e-06 Jy/beam
2026-07-03 07:31:15	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:31:15	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:31:15	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:31:15	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:31:15	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:31:15	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:31:15	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
2026-07-03 07:31:15	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:31:14.486818 End time: 2026-07-03 07:31:14.506381
2026-07-03 07:31:15	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:31:15	INFO	imstat::::casa	##########################################
2026-07-03 07:31:15	INFO	phaseshift::::casa	##########################################
2026-07-03 07:31:15	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:31:15	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' )
2026-07-03 07:31:15	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:31:15	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:31:15	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:31:15	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:31:15	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:31:15	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:31:15	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:31:15	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:31:15	INFO	MSTransformManager::open	Select data
2026-07-03 07:31:15	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:31:17	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:31:17	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad 0.110875644rad' successfully parsed
2026-07-03 07:31:17	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:31:18	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:31:18	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:31:14.518714 End time: 2026-07-03 07:31:18.353390
2026-07-03 07:31:18	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:31:18	INFO	phaseshift::::casa	##########################################
2026-07-03 07:31:18	INFO	tclean::::casa	##########################################
2026-07-03 07:31:18	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:31:18	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, 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 )
2026-07-03 07:31:18	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:31:18	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:31:18	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:31:18	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:31:18	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:31:18	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:31:18	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:31:18	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:31:18	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:31:19	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:31:19	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:31:19	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:31:20	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:31:20	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022325
2026-07-03 07:31:20	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:31:20	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:31:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:31:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:31:22	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:31:22	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:31:22	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:31:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:31:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:31:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:31:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:31:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:31:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:31:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:31:24	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:31:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:31:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:31:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:31:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:31:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:31:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:31:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:31:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:31:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:31:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:31:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:31:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:31:28	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:31:28	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:31:28	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:31:29	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:31:29	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:31:30	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:31:18.382987 End time: 2026-07-03 07:31:30.306722
2026-07-03 07:31:30	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:31:30	INFO	tclean::::casa	##########################################
2026-07-03 07:31:30	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:31:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:31:30	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)
2026-07-03 07:31:30	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:31:30	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:31:30 2026******
2026-07-03 07:31:30	INFO	ImageFitter::fit+	
2026-07-03 07:31:30	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:31:30	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:31:30	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:31:30	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:31:30	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:31:30	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:31:30	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:31:30	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:31:30	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:31:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:31:30	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)
2026-07-03 07:31:30	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000002 +/- 0.000777 arcsec
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000014 +/- 0.000127 pixels
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999998 +/- 0.000097 pixels
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:31:30	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:31:30	INFO	imstat::::casa	##########################################
2026-07-03 07:31:30	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:31:30	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 )
2026-07-03 07:31:30	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:31:30	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:31:30	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:31:30	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:31:30	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:31:30	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)
2026-07-03 07:31:30	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:31:30	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:31:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:31:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:31:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:31:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:31:30	INFO	imstat::::	Values --- 
2026-07-03 07:31:30	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:31:30	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:31:30	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:31:30	INFO	imstat::::	         -- minimum value [min]:                    -7.77816e-05 Jy/beam
2026-07-03 07:31:30	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:31:30	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:31:30	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:31:30	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-07-03 07:31:30	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:31:30	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:31:30	INFO	imstat::::	Statistics --- 
2026-07-03 07:31:30	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:31:30	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:31:30	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:31:30	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:31:30	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.8676e-05 Jy/beam
2026-07-03 07:31:30	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73584e-05 Jy/beam
2026-07-03 07:31:30	INFO	imstat::::	        -- IQR [quartile]:                          3.56038e-05 Jy/beam
2026-07-03 07:31:30	INFO	imstat::::	        -- First quartile [q1]:                     -3.45104e-05 Jy/beam
2026-07-03 07:31:30	INFO	imstat::::	        -- Third quartile [q3]:                     1.09331e-06 Jy/beam
2026-07-03 07:31:30	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:31:30	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:31:30	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:31:30	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:31:30	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:31:30	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:31:30	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
2026-07-03 07:31:30	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:31:30.365748 End time: 2026-07-03 07:31:30.384770
2026-07-03 07:31:30	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:31:30	INFO	imstat::::casa	##########################################
2026-07-03 07:31:30	INFO	phaseshift::::casa	##########################################
2026-07-03 07:31:30	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:31:30	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39d58m05.8512' )
2026-07-03 07:31:30	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:31:30	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:31:30	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:31:30	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:31:30	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:31:30	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:31:30	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:31:30	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:31:30	INFO	MSTransformManager::open	Select data
2026-07-03 07:31:30	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:31:34	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:31:34	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 39d58m05.8512' successfully parsed
2026-07-03 07:31:34	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:31:35	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:31:35	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:31:30.398551 End time: 2026-07-03 07:31:34.703056
2026-07-03 07:31:35	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:31:35	INFO	phaseshift::::casa	##########################################
2026-07-03 07:31:35	INFO	tclean::::casa	##########################################
2026-07-03 07:31:35	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:31:35	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, 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 )
2026-07-03 07:31:35	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:31:35	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:31:35	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:31:35	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:31:35	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:31:35	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:31:35	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:31:35	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:31:35	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:31:35	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:31:35	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:31:35	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:31:36	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:31:36	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021419
2026-07-03 07:31:36	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:31:36	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:31:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:31:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:31:38	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:31:38	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:31:38	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:31:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:31:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:31:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:31:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:31:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:31:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:31:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:31:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:31:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:31:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:31:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:31:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:31:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:31:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:31:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:31:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:31:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:31:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:31:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:31:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:31:44	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:31:44	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:31:44	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:31:45	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:31:45	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:31:47	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:31:34.735176 End time: 2026-07-03 07:31:46.562303
2026-07-03 07:31:47	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:31:47	INFO	tclean::::casa	##########################################
2026-07-03 07:31:47	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:31:47	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:31:47	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)
2026-07-03 07:31:47	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:31:47	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:31:47 2026******
2026-07-03 07:31:47	INFO	ImageFitter::fit+	
2026-07-03 07:31:47	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:31:47	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:31:47	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:31:47	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:31:47	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:31:47	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:31:47	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:31:47	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:31:47	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:31:47	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:31:47	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)
2026-07-03 07:31:47	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:31:47	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:31:47	INFO	imstat::::casa	##########################################
2026-07-03 07:31:47	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:31:47	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 )
2026-07-03 07:31:47	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:31:47	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:31:47	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:31:47	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:31:47	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:31:47	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)
2026-07-03 07:31:47	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:31:47	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:31:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:31:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:31:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:31:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:31:47	INFO	imstat::::	Values --- 
2026-07-03 07:31:47	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:31:47	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:31:47	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:31:47	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-07-03 07:31:47	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:31:47	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:31:47	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:31:47	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:31:47	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:31:47	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:31:47	INFO	imstat::::	Statistics --- 
2026-07-03 07:31:47	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:31:47	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:31:47	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:31:47	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:31:47	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-07-03 07:31:47	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-07-03 07:31:47	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-07-03 07:31:47	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-07-03 07:31:47	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-07-03 07:31:47	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:31:47	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:31:47	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:31:47	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:31:47	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:31:47	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:31:47	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
2026-07-03 07:31:47	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:31:46.617814 End time: 2026-07-03 07:31:46.639243
2026-07-03 07:31:47	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:31:47	INFO	imstat::::casa	##########################################
2026-07-03 07:31:47	INFO	phaseshift::::casa	##########################################
2026-07-03 07:31:47	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:31:47	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 02:39:52.3901' )
2026-07-03 07:31:47	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:31:47	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:31:47	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:31:47	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:31:47	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:31:47	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:31:47	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:31:47	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:31:47	INFO	MSTransformManager::open	Select data
2026-07-03 07:31:47	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:31:50	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 ".".
2026-07-03 07:31:50	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 02:39:52.3901' successfully parsed
2026-07-03 07:31:50	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:31:51	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:31:51	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:31:46.652121 End time: 2026-07-03 07:31:50.564203
2026-07-03 07:31:51	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:31:51	INFO	phaseshift::::casa	##########################################
2026-07-03 07:31:51	INFO	tclean::::casa	##########################################
2026-07-03 07:31:51	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:31:51	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, 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 )
2026-07-03 07:31:51	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:31:51	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:31:51	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:31:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:31:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:31:51	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:31:51	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:31:51	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:31:51	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:31:51	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:31:51	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:31:51	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:31:52	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:31:52	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024268
2026-07-03 07:31:52	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:31:52	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:31:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:31:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:31:54	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:31:54	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:31:54	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:31:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:31:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:31:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:31:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:31:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:31:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:31:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:31:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:31:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:31:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:31:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:31:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:31:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:31:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:31:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:31:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:31:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:31:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:31:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:31:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:32:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:32:00	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:32:00	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:32:00	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:32:01	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:32:01	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:32:03	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:31:50.593118 End time: 2026-07-03 07:32:02.943367
2026-07-03 07:32:03	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:32:03	INFO	tclean::::casa	##########################################
2026-07-03 07:32:03	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:32:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:32:03	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)
2026-07-03 07:32:03	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:32:03	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:32:03 2026******
2026-07-03 07:32:03	INFO	ImageFitter::fit+	
2026-07-03 07:32:03	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:32:03	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:32:03	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:32:03	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:32:03	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:32:03	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:32:03	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:32:03	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:32:03	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:32:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:32:03	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)
2026-07-03 07:32:03	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00011688 Jy
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126496 Jy
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:32:03	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:32:03	INFO	imstat::::casa	##########################################
2026-07-03 07:32:03	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:32:03	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 )
2026-07-03 07:32:03	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:32:03	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:32:03	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:32:03	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:32:03	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:32:03	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)
2026-07-03 07:32:03	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:32:03	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:32:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:32:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:32:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-07-03 07:32:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-07-03 07:32:03	INFO	imstat::::	Values --- 
2026-07-03 07:32:03	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:32:03	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:32:03	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:32:03	INFO	imstat::::	         -- minimum value [min]:                    -7.78225e-05 Jy/beam
2026-07-03 07:32:03	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:32:03	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:32:03	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:32:03	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:32:03	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:32:03	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:32:03	INFO	imstat::::	Statistics --- 
2026-07-03 07:32:03	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:32:03	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:32:03	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:32:03	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:32:03	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86781e-05 Jy/beam
2026-07-03 07:32:03	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam
2026-07-03 07:32:03	INFO	imstat::::	        -- IQR [quartile]:                          3.56365e-05 Jy/beam
2026-07-03 07:32:03	INFO	imstat::::	        -- First quartile [q1]:                     -3.45278e-05 Jy/beam
2026-07-03 07:32:03	INFO	imstat::::	        -- Third quartile [q3]:                     1.10869e-06 Jy/beam
2026-07-03 07:32:03	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:32:03	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:32:03	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:32:03	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:32:03	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:32:03	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:32:03	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
2026-07-03 07:32:03	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:32:02.997543 End time: 2026-07-03 07:32:03.017809
2026-07-03 07:32:03	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:32:03	INFO	imstat::::casa	##########################################
2026-07-03 07:32:03	INFO	phaseshift::::casa	##########################################
2026-07-03 07:32:03	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:32:03	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39.968292000deg' )
2026-07-03 07:32:03	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:32:03	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:32:03	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:32:03	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:32:03	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:32:03	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:32:03	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:32:03	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:32:03	INFO	MSTransformManager::open	Select data
2026-07-03 07:32:03	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:32:05	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:32:05	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 39.968292000deg' successfully parsed
2026-07-03 07:32:05	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:32:06	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:32:06	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:32:03.030862 End time: 2026-07-03 07:32:06.331615
2026-07-03 07:32:06	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:32:06	INFO	phaseshift::::casa	##########################################
2026-07-03 07:32:06	INFO	tclean::::casa	##########################################
2026-07-03 07:32:06	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:32:06	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, 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 )
2026-07-03 07:32:06	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:32:06	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:32:06	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:32:06	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:32:06	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:32:06	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:32:06	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:32:06	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:32:06	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:32:06	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:32:06	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:32:06	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:32:07	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:32:08	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021455
2026-07-03 07:32:08	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:32:08	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:32:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:32:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:32:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:32:09	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:32:09	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:32:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:32:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:32:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:32:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:32:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:32:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:32:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:32:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:32:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:32:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:32:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:32:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:32:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:32:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:32:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:32:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:32:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:32:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:32:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:32:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:32:15	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:32:15	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:32:15	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:32:16	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:32:16	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:32:17	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:32:06.361972 End time: 2026-07-03 07:32:17.416213
2026-07-03 07:32:17	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:32:17	INFO	tclean::::casa	##########################################
2026-07-03 07:32:17	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:32:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:32:17	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)
2026-07-03 07:32:17	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:32:17	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:32:17 2026******
2026-07-03 07:32:17	INFO	ImageFitter::fit+	
2026-07-03 07:32:17	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:32:17	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:32:17	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:32:17	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:32:17	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:32:17	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:32:17	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:32:17	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:32:17	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:32:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:32:17	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)
2026-07-03 07:32:17	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:32:17	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:32:17	INFO	imstat::::casa	##########################################
2026-07-03 07:32:17	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:32:17	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 )
2026-07-03 07:32:17	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:32:17	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:32:17	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:32:17	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:32:17	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:32:17	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)
2026-07-03 07:32:17	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:32:17	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:32:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:32:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:32:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:32:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:32:17	INFO	imstat::::	Values --- 
2026-07-03 07:32:17	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:32:17	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:32:17	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:32:17	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-07-03 07:32:17	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:32:17	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:32:17	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:32:17	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:32:17	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:32:17	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:32:17	INFO	imstat::::	Statistics --- 
2026-07-03 07:32:17	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:32:17	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:32:17	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:32:17	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:32:17	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-07-03 07:32:17	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-07-03 07:32:17	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-07-03 07:32:17	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-07-03 07:32:17	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-07-03 07:32:18	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:32:18	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:32:18	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:32:18	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:32:18	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:32:18	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:32:18	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
2026-07-03 07:32:18	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:32:17.481635 End time: 2026-07-03 07:32:17.501794
2026-07-03 07:32:18	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:32:18	INFO	imstat::::casa	##########################################
2026-07-03 07:32:18	INFO	phaseshift::::casa	##########################################
2026-07-03 07:32:18	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:32:18	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 0.697578292rad' )
2026-07-03 07:32:18	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:32:18	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:32:18	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:32:18	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:32:18	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:32:18	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:32:18	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:32:18	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:32:18	INFO	MSTransformManager::open	Select data
2026-07-03 07:32:18	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:32:20	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:32:20	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 0.697578292rad' successfully parsed
2026-07-03 07:32:20	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:32:21	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:32:21	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:32:17.514968 End time: 2026-07-03 07:32:21.246791
2026-07-03 07:32:21	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:32:21	INFO	phaseshift::::casa	##########################################
2026-07-03 07:32:21	INFO	tclean::::casa	##########################################
2026-07-03 07:32:21	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:32:21	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, 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 )
2026-07-03 07:32:21	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:32:21	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:32:21	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:32:21	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:32:21	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:32:21	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:32:21	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:32:21	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:32:21	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:32:21	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:32:21	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:32:21	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:32:22	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:32:22	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021245
2026-07-03 07:32:22	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:32:23	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:32:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:32:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:32:24	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:32:24	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:32:24	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:32:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:32:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:32:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:32:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:32:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:32:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:32:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:32:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:32:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:32:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:32:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:32:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:32:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:32:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:32:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:32:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:32:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:32:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:32:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:32:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:32:30	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:32:30	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:32:30	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:32:31	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:32:32	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:32:33	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:32:21.277467 End time: 2026-07-03 07:32:32.870610
2026-07-03 07:32:33	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:32:33	INFO	tclean::::casa	##########################################
2026-07-03 07:32:33	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:32:33	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:32:33	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)
2026-07-03 07:32:33	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:32:33	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:32:33 2026******
2026-07-03 07:32:33	INFO	ImageFitter::fit+	
2026-07-03 07:32:33	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:32:33	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:32:33	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:32:33	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:32:33	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:32:33	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:32:33	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:32:33	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:32:33	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:32:33	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:32:33	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)
2026-07-03 07:32:33	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:32:33	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:32:33	INFO	imstat::::casa	##########################################
2026-07-03 07:32:33	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:32:33	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 )
2026-07-03 07:32:33	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:32:33	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:32:33	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:32:33	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:32:33	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:32:33	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)
2026-07-03 07:32:33	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:32:33	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:32:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:32:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:32:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:32:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:32:33	INFO	imstat::::	Values --- 
2026-07-03 07:32:33	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:32:33	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:32:33	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:32:33	INFO	imstat::::	         -- minimum value [min]:                    -7.7789e-05 Jy/beam
2026-07-03 07:32:33	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:32:33	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:32:33	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:32:33	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:32:33	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:32:33	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:32:33	INFO	imstat::::	Statistics --- 
2026-07-03 07:32:33	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:32:33	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:32:33	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:32:33	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:32:33	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86647e-05 Jy/beam
2026-07-03 07:32:33	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam
2026-07-03 07:32:33	INFO	imstat::::	        -- IQR [quartile]:                          3.56182e-05 Jy/beam
2026-07-03 07:32:33	INFO	imstat::::	        -- First quartile [q1]:                     -3.45079e-05 Jy/beam
2026-07-03 07:32:33	INFO	imstat::::	        -- Third quartile [q3]:                     1.11022e-06 Jy/beam
2026-07-03 07:32:33	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:32:33	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:32:33	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:32:33	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:32:33	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:32:33	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:32:33	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
2026-07-03 07:32:33	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:32:32.925295 End time: 2026-07-03 07:32:32.945637
2026-07-03 07:32:33	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:32:33	INFO	imstat::::casa	##########################################
2026-07-03 07:32:33	INFO	phaseshift::::casa	##########################################
2026-07-03 07:32:33	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:32:33	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 39d58m05.8512' )
2026-07-03 07:32:33	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:32:33	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:32:33	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:32:33	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:32:33	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:32:33	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:32:33	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:32:33	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:32:33	INFO	MSTransformManager::open	Select data
2026-07-03 07:32:33	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:32:36	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:32:36	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 39d58m05.8512' successfully parsed
2026-07-03 07:32:36	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:32:37	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:32:37	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:32:32.958516 End time: 2026-07-03 07:32:36.702493
2026-07-03 07:32:37	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:32:37	INFO	phaseshift::::casa	##########################################
2026-07-03 07:32:37	INFO	tclean::::casa	##########################################
2026-07-03 07:32:37	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:32:37	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, 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 )
2026-07-03 07:32:37	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:32:37	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:32:37	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:32:37	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:32:37	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:32:37	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:32:37	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:32:37	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:32:37	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:32:37	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:32:37	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:32:37	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:32:38	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:32:38	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022068
2026-07-03 07:32:38	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:32:38	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:32:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:32:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:32:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:32:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:32:40	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:32:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:32:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:32:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:32:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:32:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:32:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:32:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:32:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:32:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:32:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:32:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:32:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:32:44	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:32:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:32:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:32:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:32:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:32:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:32:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:32:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:32:46	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:32:46	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:32:46	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:32:47	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:32:47	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:32:49	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:32:36.731876 End time: 2026-07-03 07:32:48.591871
2026-07-03 07:32:49	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:32:49	INFO	tclean::::casa	##########################################
2026-07-03 07:32:49	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:32:49	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:32:49	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)
2026-07-03 07:32:49	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:32:49	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:32:49 2026******
2026-07-03 07:32:49	INFO	ImageFitter::fit+	
2026-07-03 07:32:49	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:32:49	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:32:49	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:32:49	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:32:49	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:32:49	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:32:49	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:32:49	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:32:49	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:32:49	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:32:49	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)
2026-07-03 07:32:49	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000009 +/- 0.000127 pixels
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:32:49	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:32:49	INFO	imstat::::casa	##########################################
2026-07-03 07:32:49	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:32:49	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 )
2026-07-03 07:32:49	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:32:49	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:32:49	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:32:49	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:32:49	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:32:49	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)
2026-07-03 07:32:49	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:32:49	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:32:49	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:32:49	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:32:49	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:32:49	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:32:49	INFO	imstat::::	Values --- 
2026-07-03 07:32:49	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:32:49	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:32:49	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:32:49	INFO	imstat::::	         -- minimum value [min]:                    -7.77773e-05 Jy/beam
2026-07-03 07:32:49	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:32:49	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:32:49	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:32:49	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-07-03 07:32:49	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:32:49	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:32:49	INFO	imstat::::	Statistics --- 
2026-07-03 07:32:49	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:32:49	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:32:49	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:32:49	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:32:49	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86786e-05 Jy/beam
2026-07-03 07:32:49	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam
2026-07-03 07:32:49	INFO	imstat::::	        -- IQR [quartile]:                          3.56014e-05 Jy/beam
2026-07-03 07:32:49	INFO	imstat::::	        -- First quartile [q1]:                     -3.45038e-05 Jy/beam
2026-07-03 07:32:49	INFO	imstat::::	        -- Third quartile [q3]:                     1.09758e-06 Jy/beam
2026-07-03 07:32:49	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:32:49	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:32:49	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:32:49	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:32:49	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:32:49	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:32:49	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
2026-07-03 07:32:49	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:32:48.658390 End time: 2026-07-03 07:32:48.678408
2026-07-03 07:32:49	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:32:49	INFO	imstat::::casa	##########################################
2026-07-03 07:32:49	INFO	phaseshift::::casa	##########################################
2026-07-03 07:32:49	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:32:49	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 02:39:52.3901' )
2026-07-03 07:32:49	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:32:49	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:32:49	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:32:49	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:32:49	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:32:49	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:32:49	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:32:49	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:32:49	INFO	MSTransformManager::open	Select data
2026-07-03 07:32:49	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:32:51	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 ".".
2026-07-03 07:32:51	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 02:39:52.3901' successfully parsed
2026-07-03 07:32:51	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:32:52	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:32:52	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:32:48.691330 End time: 2026-07-03 07:32:52.365432
2026-07-03 07:32:52	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:32:52	INFO	phaseshift::::casa	##########################################
2026-07-03 07:32:52	INFO	tclean::::casa	##########################################
2026-07-03 07:32:52	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:32:52	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, 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 )
2026-07-03 07:32:52	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:32:52	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:32:52	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:32:52	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:32:52	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:32:53	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:32:53	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:32:53	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:32:53	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:32:53	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:32:53	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:32:53	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:32:54	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:32:54	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021975
2026-07-03 07:32:54	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:32:54	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:32:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:32:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:32:56	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:32:56	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:32:56	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:32:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:32:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:32:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:32:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:32:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:32:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:32:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:32:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:32:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:32:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:32:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:32:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:33:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:33:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:33:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:33:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:33:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:33:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:33:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:33:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:33:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:33:02	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:33:02	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:33:02	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:33:03	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:33:04	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:33:05	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:32:52.395057 End time: 2026-07-03 07:33:04.877432
2026-07-03 07:33:05	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:33:05	INFO	tclean::::casa	##########################################
2026-07-03 07:33:05	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:33:05	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:33:05	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)
2026-07-03 07:33:05	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:33:05	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:33:05 2026******
2026-07-03 07:33:05	INFO	ImageFitter::fit+	
2026-07-03 07:33:05	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:33:05	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:33:05	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:33:05	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:33:05	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:33:05	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:33:05	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:33:05	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:33:05	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:33:05	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:33:05	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)
2026-07-03 07:33:05	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116878 Jy
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126494 Jy
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000008 +/- 0.000127 pixels
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:33:05	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:33:05	INFO	imstat::::casa	##########################################
2026-07-03 07:33:05	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:33:05	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 )
2026-07-03 07:33:05	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:33:05	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:33:05	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:33:05	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:33:05	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:33:05	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)
2026-07-03 07:33:05	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:33:05	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:33:05	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:33:05	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:33:05	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-07-03 07:33:05	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-07-03 07:33:05	INFO	imstat::::	Values --- 
2026-07-03 07:33:05	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:33:05	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:33:05	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:33:05	INFO	imstat::::	         -- minimum value [min]:                    -7.78143e-05 Jy/beam
2026-07-03 07:33:05	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:33:05	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:33:05	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:33:05	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:33:05	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:33:05	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:33:05	INFO	imstat::::	Statistics --- 
2026-07-03 07:33:05	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:33:05	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:33:05	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:33:05	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:33:05	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86838e-05 Jy/beam
2026-07-03 07:33:05	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73769e-05 Jy/beam
2026-07-03 07:33:05	INFO	imstat::::	        -- IQR [quartile]:                          3.5634e-05 Jy/beam
2026-07-03 07:33:05	INFO	imstat::::	        -- First quartile [q1]:                     -3.45216e-05 Jy/beam
2026-07-03 07:33:05	INFO	imstat::::	        -- Third quartile [q3]:                     1.1124e-06 Jy/beam
2026-07-03 07:33:05	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:33:05	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:33:05	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:33:05	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:33:05	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:33:05	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:33:05	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
2026-07-03 07:33:05	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:33:04.935049 End time: 2026-07-03 07:33:04.956360
2026-07-03 07:33:05	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:33:05	INFO	imstat::::casa	##########################################
2026-07-03 07:33:05	INFO	phaseshift::::casa	##########################################
2026-07-03 07:33:05	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:33:05	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' )
2026-07-03 07:33:05	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:33:05	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:33:05	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:33:05	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:33:05	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:33:05	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:33:05	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:33:05	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:33:05	INFO	MSTransformManager::open	Select data
2026-07-03 07:33:05	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:33:09	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:33:09	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 39.968292000deg' successfully parsed
2026-07-03 07:33:09	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:33:10	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:33:10	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:33:04.970758 End time: 2026-07-03 07:33:09.724926
2026-07-03 07:33:10	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:33:10	INFO	phaseshift::::casa	##########################################
2026-07-03 07:33:10	INFO	tclean::::casa	##########################################
2026-07-03 07:33:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:33:10	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, 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 )
2026-07-03 07:33:10	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:33:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:33:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:33:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:33:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:33:10	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:33:10	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:33:10	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:33:10	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:33:10	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:33:10	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:33:10	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:33:11	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:33:11	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02177
2026-07-03 07:33:11	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:33:11	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:33:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:33:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:33:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:33:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:33:13	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:33:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:33:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:33:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:33:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:33:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:33:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:33:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:33:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:33:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:33:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:33:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:33:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:33:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:33:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:33:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:33:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:33:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:33:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:33:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:33:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:33:20	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:33:20	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:33:20	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:33:20	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:33:21	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:33:22	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:33:09.754389 End time: 2026-07-03 07:33:22.233910
2026-07-03 07:33:22	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:33:22	INFO	tclean::::casa	##########################################
2026-07-03 07:33:22	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:33:22	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:33:22	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)
2026-07-03 07:33:22	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:33:22	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:33:22 2026******
2026-07-03 07:33:22	INFO	ImageFitter::fit+	
2026-07-03 07:33:22	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:33:22	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:33:22	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:33:22	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:33:22	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:33:22	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:33:22	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:33:22	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:33:22	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:33:22	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:33:22	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)
2026-07-03 07:33:22	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000009 +/- 0.000127 pixels
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:33:22	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:33:22	INFO	imstat::::casa	##########################################
2026-07-03 07:33:22	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:33:22	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 )
2026-07-03 07:33:22	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:33:22	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:33:22	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:33:22	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:33:22	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:33:22	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)
2026-07-03 07:33:22	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:33:22	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:33:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:33:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:33:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:33:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:33:22	INFO	imstat::::	Values --- 
2026-07-03 07:33:22	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:33:22	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:33:22	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:33:22	INFO	imstat::::	         -- minimum value [min]:                    -7.77773e-05 Jy/beam
2026-07-03 07:33:22	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:33:22	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-07-03 07:33:22	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:33:22	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-07-03 07:33:22	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:33:22	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:33:22	INFO	imstat::::	Statistics --- 
2026-07-03 07:33:22	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:33:22	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:33:22	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:33:22	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:33:22	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86786e-05 Jy/beam
2026-07-03 07:33:22	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam
2026-07-03 07:33:22	INFO	imstat::::	        -- IQR [quartile]:                          3.56014e-05 Jy/beam
2026-07-03 07:33:22	INFO	imstat::::	        -- First quartile [q1]:                     -3.45038e-05 Jy/beam
2026-07-03 07:33:22	INFO	imstat::::	        -- Third quartile [q3]:                     1.09758e-06 Jy/beam
2026-07-03 07:33:22	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:33:22	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:33:22	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:33:22	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:33:22	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:33:22	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:33:22	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
2026-07-03 07:33:22	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:33:22.289254 End time: 2026-07-03 07:33:22.309295
2026-07-03 07:33:22	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:33:22	INFO	imstat::::casa	##########################################
2026-07-03 07:33:22	INFO	phaseshift::::casa	##########################################
2026-07-03 07:33:22	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:33:22	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 0.697578292rad' )
2026-07-03 07:33:22	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:33:22	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:33:22	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:33:22	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:33:22	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:33:22	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:33:22	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:33:22	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:33:22	INFO	MSTransformManager::open	Select data
2026-07-03 07:33:22	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:33:26	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:33:26	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 0.697578292rad' successfully parsed
2026-07-03 07:33:26	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:33:26	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:33:27	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:33:22.321885 End time: 2026-07-03 07:33:26.502810
2026-07-03 07:33:27	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:33:27	INFO	phaseshift::::casa	##########################################
2026-07-03 07:33:27	INFO	tclean::::casa	##########################################
2026-07-03 07:33:27	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:33:27	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, 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 )
2026-07-03 07:33:27	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:33:27	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:33:27	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:33:27	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:33:27	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:33:27	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:33:27	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:33:27	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:33:27	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:33:27	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:33:27	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:33:27	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:33:28	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:33:28	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022628
2026-07-03 07:33:28	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:33:28	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:33:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:33:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:33:30	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:33:30	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:33:30	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:33:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:33:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:33:31	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:33:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:33:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:33:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:33:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:33:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:33:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:33:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:33:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:33:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:33:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:33:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:33:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:33:35	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:33:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:33:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:33:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:33:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:33:36	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:33:36	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:33:36	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:33:37	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:33:38	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:33:39	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:33:26.532805 End time: 2026-07-03 07:33:38.886568
2026-07-03 07:33:39	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:33:39	INFO	tclean::::casa	##########################################
2026-07-03 07:33:39	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:33:39	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:33:39	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)
2026-07-03 07:33:39	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:33:39	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:33:39 2026******
2026-07-03 07:33:39	INFO	ImageFitter::fit+	
2026-07-03 07:33:39	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:33:39	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:33:39	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:33:39	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:33:39	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:33:39	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:33:39	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:33:39	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:33:39	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:33:39	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:33:39	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)
2026-07-03 07:33:39	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126487 Jy
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000009 +/- 0.000127 pixels
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:33:39	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:33:39	INFO	imstat::::casa	##########################################
2026-07-03 07:33:39	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:33:39	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 )
2026-07-03 07:33:39	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:33:39	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:33:39	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:33:39	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:33:39	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:33:39	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)
2026-07-03 07:33:39	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:33:39	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:33:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:33:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:33:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:33:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:33:39	INFO	imstat::::	Values --- 
2026-07-03 07:33:39	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:33:39	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:33:39	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:33:39	INFO	imstat::::	         -- minimum value [min]:                    -7.7781e-05 Jy/beam
2026-07-03 07:33:39	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:33:39	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:33:39	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:33:39	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:33:39	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:33:39	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:33:39	INFO	imstat::::	Statistics --- 
2026-07-03 07:33:39	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:33:39	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:33:39	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:33:39	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:33:39	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86714e-05 Jy/beam
2026-07-03 07:33:39	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73593e-05 Jy/beam
2026-07-03 07:33:39	INFO	imstat::::	        -- IQR [quartile]:                          3.56161e-05 Jy/beam
2026-07-03 07:33:39	INFO	imstat::::	        -- First quartile [q1]:                     -3.45125e-05 Jy/beam
2026-07-03 07:33:39	INFO	imstat::::	        -- Third quartile [q3]:                     1.10364e-06 Jy/beam
2026-07-03 07:33:39	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:33:39	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:33:39	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:33:39	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:33:39	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:33:39	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:33:39	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
2026-07-03 07:33:39	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:33:38.942051 End time: 2026-07-03 07:33:38.962693
2026-07-03 07:33:39	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:33:39	INFO	imstat::::casa	##########################################
2026-07-03 07:33:39	INFO	phaseshift::::casa	##########################################
2026-07-03 07:33:39	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:33:39	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 298.023551625deg 39d58m05.8512' )
2026-07-03 07:33:39	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:33:39	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:33:39	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:33:39	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:33:39	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:33:39	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:33:39	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:33:39	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:33:39	INFO	MSTransformManager::open	Select data
2026-07-03 07:33:39	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:33:42	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:33:42	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 39d58m05.8512' successfully parsed
2026-07-03 07:33:42	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:33:43	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:33:44	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:33:38.976754 End time: 2026-07-03 07:33:43.502162
2026-07-03 07:33:44	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:33:44	INFO	phaseshift::::casa	##########################################
2026-07-03 07:33:44	INFO	tclean::::casa	##########################################
2026-07-03 07:33:44	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:33:44	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, 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 )
2026-07-03 07:33:44	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:33:44	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:33:44	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:33:44	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:33:44	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:33:44	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:33:44	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:33:44	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:33:44	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:33:44	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:33:44	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:33:44	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:33:45	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:33:45	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021791
2026-07-03 07:33:45	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:33:45	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:33:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:33:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:33:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:33:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:33:47	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:33:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:33:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:33:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:33:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:33:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:33:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:33:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:33:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:33:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:33:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:33:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:33:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:33:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:33:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:33:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:33:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:33:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:33:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:33:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:33:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:33:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:33:54	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:33:54	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:33:54	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:33:54	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:33:55	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:33:56	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:33:43.532190 End time: 2026-07-03 07:33:55.983749
2026-07-03 07:33:56	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:33:56	INFO	tclean::::casa	##########################################
2026-07-03 07:33:56	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:33:56	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:33:56	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)
2026-07-03 07:33:56	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:33:56	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:33:56 2026******
2026-07-03 07:33:56	INFO	ImageFitter::fit+	
2026-07-03 07:33:56	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:33:56	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:33:56	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:33:56	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:33:56	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:33:56	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:33:56	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:33:56	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:33:56	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:33:56	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:33:56	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)
2026-07-03 07:33:56	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:33:56	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:33:56	INFO	imstat::::casa	##########################################
2026-07-03 07:33:56	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:33:56	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 )
2026-07-03 07:33:56	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:33:56	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:33:56	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:33:56	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:33:56	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:33:56	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)
2026-07-03 07:33:56	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:33:56	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:33:56	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:33:56	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:33:56	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:33:56	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:33:56	INFO	imstat::::	Values --- 
2026-07-03 07:33:56	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:33:56	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:33:56	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:33:56	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-07-03 07:33:56	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:33:56	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:33:56	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:33:56	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:33:56	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:33:56	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:33:56	INFO	imstat::::	Statistics --- 
2026-07-03 07:33:56	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:33:56	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:33:56	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:33:56	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:33:56	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-07-03 07:33:56	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-07-03 07:33:56	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-07-03 07:33:56	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-07-03 07:33:56	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-07-03 07:33:56	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:33:56	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:33:56	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:33:56	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:33:56	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:33:56	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:33:56	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
2026-07-03 07:33:56	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:33:56.037602 End time: 2026-07-03 07:33:56.056644
2026-07-03 07:33:56	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:33:56	INFO	imstat::::casa	##########################################
2026-07-03 07:33:56	INFO	phaseshift::::casa	##########################################
2026-07-03 07:33:56	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:33:56	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' )
2026-07-03 07:33:56	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:33:56	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:33:56	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:33:56	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:33:56	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:33:56	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:33:56	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:33:56	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:33:56	INFO	MSTransformManager::open	Select data
2026-07-03 07:33:56	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:33:59	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 ".".
2026-07-03 07:33:59	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 02:39:52.3901' successfully parsed
2026-07-03 07:33:59	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:34:00	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:34:00	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:33:56.069405 End time: 2026-07-03 07:33:59.780721
2026-07-03 07:34:00	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:34:00	INFO	phaseshift::::casa	##########################################
2026-07-03 07:34:00	INFO	tclean::::casa	##########################################
2026-07-03 07:34:00	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:34:00	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, 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 )
2026-07-03 07:34:00	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:34:00	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:34:00	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:34:00	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:34:00	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:34:00	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:34:00	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:34:00	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:34:00	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:34:00	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:34:00	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:34:00	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:34:01	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:34:01	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022125
2026-07-03 07:34:01	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:34:01	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:34:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:34:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:34:03	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:34:03	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:34:03	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:34:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:34:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:34:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:34:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:34:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:34:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:34:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:34:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:34:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:34:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:34:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:34:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:34:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:34:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:34:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:34:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:34:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:34:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:34:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:34:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:34:09	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:34:09	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:34:09	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:34:10	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:34:11	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:34:12	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:33:59.810634 End time: 2026-07-03 07:34:11.932383
2026-07-03 07:34:12	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:34:12	INFO	tclean::::casa	##########################################
2026-07-03 07:34:12	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:34:12	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:34:12	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)
2026-07-03 07:34:12	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:34:12	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:34:12 2026******
2026-07-03 07:34:12	INFO	ImageFitter::fit+	
2026-07-03 07:34:12	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:34:12	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:34:12	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:34:12	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:34:12	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:34:12	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:34:12	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:34:12	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:34:12	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:34:12	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:34:12	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)
2026-07-03 07:34:12	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00011688 Jy
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126496 Jy
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:34:12	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:34:12	INFO	imstat::::casa	##########################################
2026-07-03 07:34:12	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:34:12	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 )
2026-07-03 07:34:12	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:34:12	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:34:12	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:34:12	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:34:12	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:34:12	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)
2026-07-03 07:34:12	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:34:12	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:34:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:34:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:34:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-07-03 07:34:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-07-03 07:34:12	INFO	imstat::::	Values --- 
2026-07-03 07:34:12	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:34:12	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:34:12	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:34:12	INFO	imstat::::	         -- minimum value [min]:                    -7.78225e-05 Jy/beam
2026-07-03 07:34:12	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:34:12	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:34:12	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:34:12	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:34:12	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:34:12	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:34:12	INFO	imstat::::	Statistics --- 
2026-07-03 07:34:12	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:34:12	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:34:12	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:34:12	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:34:12	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86781e-05 Jy/beam
2026-07-03 07:34:12	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam
2026-07-03 07:34:12	INFO	imstat::::	        -- IQR [quartile]:                          3.56365e-05 Jy/beam
2026-07-03 07:34:12	INFO	imstat::::	        -- First quartile [q1]:                     -3.45278e-05 Jy/beam
2026-07-03 07:34:12	INFO	imstat::::	        -- Third quartile [q3]:                     1.10869e-06 Jy/beam
2026-07-03 07:34:12	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:34:12	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:34:12	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:34:12	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:34:12	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:34:12	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:34:12	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
2026-07-03 07:34:12	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:34:11.985634 End time: 2026-07-03 07:34:12.005699
2026-07-03 07:34:12	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:34:12	INFO	imstat::::casa	##########################################
2026-07-03 07:34:12	INFO	phaseshift::::casa	##########################################
2026-07-03 07:34:12	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:34:12	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' )
2026-07-03 07:34:12	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:34:12	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:34:12	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:34:12	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:34:12	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:34:12	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:34:12	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:34:12	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:34:12	INFO	MSTransformManager::open	Select data
2026-07-03 07:34:12	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:34:15	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:34:15	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 39.968292000deg' successfully parsed
2026-07-03 07:34:15	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:34:16	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:34:16	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:34:12.018288 End time: 2026-07-03 07:34:16.020228
2026-07-03 07:34:16	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:34:16	INFO	phaseshift::::casa	##########################################
2026-07-03 07:34:16	INFO	tclean::::casa	##########################################
2026-07-03 07:34:16	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:34:16	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, 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 )
2026-07-03 07:34:16	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:34:16	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:34:16	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:34:16	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:34:16	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:34:16	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:34:16	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:34:16	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:34:16	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:34:16	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:34:16	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:34:16	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:34:17	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:34:17	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022666
2026-07-03 07:34:17	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:34:17	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:34:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:34:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:34:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:34:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:34:20	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:34:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:34:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:34:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:34:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:34:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:34:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:34:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:34:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:34:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:34:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:34:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:34:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:34:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:34:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:34:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:34:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:34:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:34:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:34:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:34:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:34:26	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:34:26	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:34:26	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:34:27	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:34:27	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:34:28	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:34:16.049949 End time: 2026-07-03 07:34:28.178571
2026-07-03 07:34:28	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:34:28	INFO	tclean::::casa	##########################################
2026-07-03 07:34:28	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:34:28	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:34:28	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)
2026-07-03 07:34:28	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:34:28	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:34:28 2026******
2026-07-03 07:34:28	INFO	ImageFitter::fit+	
2026-07-03 07:34:28	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:34:28	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:34:28	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:34:28	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:34:28	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:34:28	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:34:28	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:34:28	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:34:28	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:34:28	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:34:28	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)
2026-07-03 07:34:28	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:34:28	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:34:28	INFO	imstat::::casa	##########################################
2026-07-03 07:34:28	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:34:28	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 )
2026-07-03 07:34:28	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:34:28	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:34:28	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:34:28	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:34:28	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:34:28	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)
2026-07-03 07:34:28	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:34:28	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:34:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:34:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:34:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:34:28	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:34:28	INFO	imstat::::	Values --- 
2026-07-03 07:34:28	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:34:28	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:34:28	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:34:28	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-07-03 07:34:28	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:34:28	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:34:28	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:34:28	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:34:28	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:34:28	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:34:28	INFO	imstat::::	Statistics --- 
2026-07-03 07:34:28	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:34:28	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:34:28	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:34:28	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:34:28	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-07-03 07:34:28	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-07-03 07:34:28	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-07-03 07:34:28	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-07-03 07:34:28	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-07-03 07:34:28	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:34:28	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:34:28	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:34:28	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:34:28	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:34:28	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:34:28	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
2026-07-03 07:34:28	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:34:28.234702 End time: 2026-07-03 07:34:28.255601
2026-07-03 07:34:28	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:34:28	INFO	imstat::::casa	##########################################
2026-07-03 07:34:28	INFO	phaseshift::::casa	##########################################
2026-07-03 07:34:28	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:34:28	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 298.023551625deg 0.697578292rad' )
2026-07-03 07:34:28	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:34:28	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:34:28	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:34:28	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:34:28	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:34:28	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:34:28	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:34:28	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:34:28	INFO	MSTransformManager::open	Select data
2026-07-03 07:34:28	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:34:31	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:34:31	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 0.697578292rad' successfully parsed
2026-07-03 07:34:31	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:34:32	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:34:32	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:34:28.268759 End time: 2026-07-03 07:34:32.050784
2026-07-03 07:34:32	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:34:32	INFO	phaseshift::::casa	##########################################
2026-07-03 07:34:32	INFO	tclean::::casa	##########################################
2026-07-03 07:34:32	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:34:32	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, 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 )
2026-07-03 07:34:32	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:34:32	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:34:32	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:34:32	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:34:32	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:34:32	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:34:32	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:34:32	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:34:32	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:34:32	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:34:32	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:34:32	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:34:33	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:34:33	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022386
2026-07-03 07:34:33	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:34:33	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:34:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:34:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:34:35	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:34:36	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:34:36	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:34:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:34:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:34:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:34:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:34:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:34:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:34:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:34:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:34:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:34:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:34:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:34:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:34:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:34:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:34:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:34:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:34:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:34:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:34:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:34:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:34:42	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:34:42	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:34:42	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:34:43	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:34:43	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:34:44	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:34:32.081276 End time: 2026-07-03 07:34:44.369227
2026-07-03 07:34:44	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:34:44	INFO	tclean::::casa	##########################################
2026-07-03 07:34:44	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:34:44	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:34:44	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)
2026-07-03 07:34:44	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:34:44	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:34:44 2026******
2026-07-03 07:34:44	INFO	ImageFitter::fit+	
2026-07-03 07:34:44	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:34:44	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:34:44	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:34:44	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:34:44	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:34:44	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:34:44	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:34:44	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:34:44	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:34:44	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:34:44	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)
2026-07-03 07:34:44	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:34:44	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:34:44	INFO	imstat::::casa	##########################################
2026-07-03 07:34:44	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:34:44	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 )
2026-07-03 07:34:44	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:34:44	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:34:44	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:34:44	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:34:44	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:34:44	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)
2026-07-03 07:34:44	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:34:44	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:34:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:34:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:34:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:34:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:34:44	INFO	imstat::::	Values --- 
2026-07-03 07:34:44	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:34:44	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:34:44	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:34:44	INFO	imstat::::	         -- minimum value [min]:                    -7.7789e-05 Jy/beam
2026-07-03 07:34:44	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:34:44	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:34:44	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:34:44	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:34:44	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:34:44	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:34:44	INFO	imstat::::	Statistics --- 
2026-07-03 07:34:44	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:34:44	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:34:44	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:34:44	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:34:44	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86647e-05 Jy/beam
2026-07-03 07:34:44	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam
2026-07-03 07:34:44	INFO	imstat::::	        -- IQR [quartile]:                          3.56182e-05 Jy/beam
2026-07-03 07:34:44	INFO	imstat::::	        -- First quartile [q1]:                     -3.45079e-05 Jy/beam
2026-07-03 07:34:44	INFO	imstat::::	        -- Third quartile [q3]:                     1.11022e-06 Jy/beam
2026-07-03 07:34:44	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:34:44	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:34:44	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:34:44	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:34:44	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:34:44	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:34:44	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
2026-07-03 07:34:44	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:34:44.426581 End time: 2026-07-03 07:34:44.448896
2026-07-03 07:34:44	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:34:44	INFO	imstat::::casa	##########################################
2026-07-03 07:34:44	INFO	phaseshift::::casa	##########################################
2026-07-03 07:34:44	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:34:44	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39d58m05.8512' )
2026-07-03 07:34:44	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:34:44	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:34:44	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:34:44	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:34:44	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:34:44	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:34:44	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:34:44	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:34:44	INFO	MSTransformManager::open	Select data
2026-07-03 07:34:44	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:34:47	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:34:47	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 39d58m05.8512' successfully parsed
2026-07-03 07:34:47	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:34:48	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:34:48	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:34:44.462887 End time: 2026-07-03 07:34:48.130482
2026-07-03 07:34:48	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:34:48	INFO	phaseshift::::casa	##########################################
2026-07-03 07:34:48	INFO	tclean::::casa	##########################################
2026-07-03 07:34:48	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:34:48	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, 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 )
2026-07-03 07:34:48	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:34:48	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:34:48	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:34:48	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:34:48	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:34:48	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:34:48	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:34:48	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:34:48	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:34:48	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:34:48	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:34:48	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:34:49	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:34:50	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02473
2026-07-03 07:34:50	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:34:50	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:34:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:34:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:34:51	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:34:51	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:34:51	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:34:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:34:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:34:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:34:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:34:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:34:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:34:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:34:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:34:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:34:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:34:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:34:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:34:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:34:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:34:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:34:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:34:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:34:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:34:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:34:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:34:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:34:58	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:34:58	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:34:58	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:34:58	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:34:59	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:35:00	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:34:48.167582 End time: 2026-07-03 07:35:00.010592
2026-07-03 07:35:00	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:35:00	INFO	tclean::::casa	##########################################
2026-07-03 07:35:00	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:35:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:35:00	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)
2026-07-03 07:35:00	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:35:00	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:35:00 2026******
2026-07-03 07:35:00	INFO	ImageFitter::fit+	
2026-07-03 07:35:00	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:35:00	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:35:00	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:35:00	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:35:00	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:35:00	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:35:00	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:35:00	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:35:00	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:35:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:35:00	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)
2026-07-03 07:35:00	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116879 Jy
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126495 Jy
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:35:00	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:35:00	INFO	imstat::::casa	##########################################
2026-07-03 07:35:00	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:35:00	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 )
2026-07-03 07:35:00	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:35:00	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:35:00	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:35:00	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:35:00	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:35:00	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)
2026-07-03 07:35:00	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:35:00	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:35:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:35:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:35:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:35:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:35:00	INFO	imstat::::	Values --- 
2026-07-03 07:35:00	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:35:00	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:35:00	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:35:00	INFO	imstat::::	         -- minimum value [min]:                    -7.77853e-05 Jy/beam
2026-07-03 07:35:00	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:35:00	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:35:00	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:35:00	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:35:00	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:35:00	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:35:00	INFO	imstat::::	Statistics --- 
2026-07-03 07:35:00	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:35:00	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:35:00	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:35:00	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:35:00	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86679e-05 Jy/beam
2026-07-03 07:35:00	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam
2026-07-03 07:35:00	INFO	imstat::::	        -- IQR [quartile]:                          3.56112e-05 Jy/beam
2026-07-03 07:35:00	INFO	imstat::::	        -- First quartile [q1]:                     -3.45109e-05 Jy/beam
2026-07-03 07:35:00	INFO	imstat::::	        -- Third quartile [q3]:                     1.10039e-06 Jy/beam
2026-07-03 07:35:00	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:35:00	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:35:00	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:35:00	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:35:00	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:35:00	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:35:00	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
2026-07-03 07:35:00	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:35:00.064939 End time: 2026-07-03 07:35:00.084756
2026-07-03 07:35:00	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:35:00	INFO	imstat::::casa	##########################################
2026-07-03 07:35:00	INFO	phaseshift::::casa	##########################################
2026-07-03 07:35:00	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:35:00	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 02:39:52.3901' )
2026-07-03 07:35:00	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:35:00	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:35:00	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:35:00	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:35:00	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:35:00	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:35:00	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:35:00	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:35:00	INFO	MSTransformManager::open	Select data
2026-07-03 07:35:00	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:35:03	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-07-03 07:35:03	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 02:39:52.3901' successfully parsed
2026-07-03 07:35:03	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:35:03	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:35:03	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:35:00.097940 End time: 2026-07-03 07:35:03.389185
2026-07-03 07:35:03	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:35:03	INFO	phaseshift::::casa	##########################################
2026-07-03 07:35:03	INFO	tclean::::casa	##########################################
2026-07-03 07:35:03	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:35:03	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, 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 )
2026-07-03 07:35:03	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:35:03	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:35:03	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:35:04	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:35:04	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:35:04	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:35:04	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:35:04	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:35:04	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:35:04	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:35:04	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:35:04	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:35:05	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:35:05	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021207
2026-07-03 07:35:05	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:35:05	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:35:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:35:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:35:07	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:35:07	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:35:07	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:35:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:35:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:35:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:35:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:35:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:35:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:35:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:35:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:35:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:35:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:35:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:35:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:35:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:35:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:35:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:35:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:35:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:35:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:35:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:35:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-07-03 07:35:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:35:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:35:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:35:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:35:13	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:35:13	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:35:13	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:35:14	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:35:14	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:35:15	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:35:03.419858 End time: 2026-07-03 07:35:15.284250
2026-07-03 07:35:15	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:35:15	INFO	tclean::::casa	##########################################
2026-07-03 07:35:15	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:35:15	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:35:15	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)
2026-07-03 07:35:15	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:35:15	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:35:15 2026******
2026-07-03 07:35:15	INFO	ImageFitter::fit+	
2026-07-03 07:35:15	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:35:15	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:35:15	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:35:15	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:35:15	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:35:15	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:35:15	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:35:15	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:35:15	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:35:15	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:35:15	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)
2026-07-03 07:35:15	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116885 Jy
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126501 Jy
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:35:15	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:35:15	INFO	imstat::::casa	##########################################
2026-07-03 07:35:15	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:35:15	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 )
2026-07-03 07:35:15	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:35:15	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:35:15	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:35:15	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:35:15	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:35:15	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)
2026-07-03 07:35:15	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:35:15	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:35:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:35:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:35:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-07-03 07:35:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-07-03 07:35:15	INFO	imstat::::	Values --- 
2026-07-03 07:35:15	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:35:15	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:35:15	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:35:15	INFO	imstat::::	         -- minimum value [min]:                    -7.78268e-05 Jy/beam
2026-07-03 07:35:15	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:35:15	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:35:15	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:35:15	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:35:15	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:35:15	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:35:15	INFO	imstat::::	Statistics --- 
2026-07-03 07:35:15	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:35:15	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:35:15	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:35:15	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:35:15	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.8675e-05 Jy/beam
2026-07-03 07:35:15	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73782e-05 Jy/beam
2026-07-03 07:35:15	INFO	imstat::::	        -- IQR [quartile]:                          3.56598e-05 Jy/beam
2026-07-03 07:35:15	INFO	imstat::::	        -- First quartile [q1]:                     -3.45364e-05 Jy/beam
2026-07-03 07:35:15	INFO	imstat::::	        -- Third quartile [q3]:                     1.12335e-06 Jy/beam
2026-07-03 07:35:15	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:35:15	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:35:15	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:35:15	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:35:15	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:35:15	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:35:15	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
2026-07-03 07:35:15	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:35:15.337175 End time: 2026-07-03 07:35:15.357642
2026-07-03 07:35:15	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:35:15	INFO	imstat::::casa	##########################################
2026-07-03 07:35:15	INFO	phaseshift::::casa	##########################################
2026-07-03 07:35:15	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:35:15	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' )
2026-07-03 07:35:15	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:35:15	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:35:15	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:35:15	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:35:15	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:35:15	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:35:15	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:35:15	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:35:15	INFO	MSTransformManager::open	Select data
2026-07-03 07:35:15	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:35:18	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:35:18	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 39.968292000deg' successfully parsed
2026-07-03 07:35:18	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:35:19	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:35:19	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:35:15.370461 End time: 2026-07-03 07:35:19.177537
2026-07-03 07:35:19	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:35:19	INFO	phaseshift::::casa	##########################################
2026-07-03 07:35:19	INFO	tclean::::casa	##########################################
2026-07-03 07:35:19	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:35:19	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, 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 )
2026-07-03 07:35:19	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:35:19	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:35:19	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:35:19	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:35:19	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:35:19	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:35:19	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:35:19	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:35:19	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:35:19	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:35:19	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:35:19	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:35:21	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:35:21	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.021293
2026-07-03 07:35:21	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:35:21	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:35:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:35:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:35:23	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:35:23	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:35:23	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:35:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:35:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:35:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:35:24	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:35:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:35:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:35:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:35:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:35:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:35:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:35:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:35:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:35:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:35:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:35:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:35:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:35:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:35:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:35:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:35:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:35:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:35:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:35:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:35:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:35:29	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:35:29	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:35:29	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:35:30	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:35:30	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:35:31	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:35:19.207075 End time: 2026-07-03 07:35:31.039259
2026-07-03 07:35:31	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:35:31	INFO	tclean::::casa	##########################################
2026-07-03 07:35:31	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:35:31	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:35:31	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)
2026-07-03 07:35:31	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:35:31	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:35:31 2026******
2026-07-03 07:35:31	INFO	ImageFitter::fit+	
2026-07-03 07:35:31	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:35:31	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:35:31	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:35:31	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:35:31	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:35:31	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:35:31	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:35:31	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:35:31	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:35:31	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:35:31	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)
2026-07-03 07:35:31	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116879 Jy
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126495 Jy
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:35:31	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:35:31	INFO	imstat::::casa	##########################################
2026-07-03 07:35:31	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:35:31	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 )
2026-07-03 07:35:31	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:35:31	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:35:31	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:35:31	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:35:31	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:35:31	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)
2026-07-03 07:35:31	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:35:31	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:35:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:35:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:35:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:35:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:35:31	INFO	imstat::::	Values --- 
2026-07-03 07:35:31	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:35:31	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:35:31	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:35:31	INFO	imstat::::	         -- minimum value [min]:                    -7.77853e-05 Jy/beam
2026-07-03 07:35:31	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:35:31	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:35:31	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:35:31	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:35:31	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:35:31	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:35:31	INFO	imstat::::	Statistics --- 
2026-07-03 07:35:31	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:35:31	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:35:31	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:35:31	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:35:31	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86679e-05 Jy/beam
2026-07-03 07:35:31	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam
2026-07-03 07:35:31	INFO	imstat::::	        -- IQR [quartile]:                          3.56112e-05 Jy/beam
2026-07-03 07:35:31	INFO	imstat::::	        -- First quartile [q1]:                     -3.45109e-05 Jy/beam
2026-07-03 07:35:31	INFO	imstat::::	        -- Third quartile [q3]:                     1.10039e-06 Jy/beam
2026-07-03 07:35:31	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:35:31	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:35:31	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:35:31	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:35:31	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:35:31	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:35:31	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
2026-07-03 07:35:31	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:35:31.098066 End time: 2026-07-03 07:35:31.127707
2026-07-03 07:35:31	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:35:31	INFO	imstat::::casa	##########################################
2026-07-03 07:35:31	INFO	phaseshift::::casa	##########################################
2026-07-03 07:35:31	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-07-03 07:35:31	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 0.697578292rad' )
2026-07-03 07:35:31	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-07-03 07:35:31	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-07-03 07:35:31	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-07-03 07:35:31	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-07-03 07:35:31	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-07-03 07:35:31	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-07-03 07:35:31	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-07-03 07:35:31	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-07-03 07:35:31	INFO	MSTransformManager::open	Select data
2026-07-03 07:35:31	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-07-03 07:35:34	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-07-03 07:35:34	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 0.697578292rad' successfully parsed
2026-07-03 07:35:34	INFO	phaseshift::::casa	Shift phase center
2026-07-03 07:35:35	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-07-03 07:35:35	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-07-03 07:35:31.140312 End time: 2026-07-03 07:35:34.896556
2026-07-03 07:35:35	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-07-03 07:35:35	INFO	phaseshift::::casa	##########################################
2026-07-03 07:35:35	INFO	tclean::::casa	##########################################
2026-07-03 07:35:35	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-07-03 07:35:35	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, 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 )
2026-07-03 07:35:35	INFO	tclean::::casa	Verifying Input Parameters
2026-07-03 07:35:35	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-07-03 07:35:35	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-07-03 07:35:35	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:35:35	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-07-03 07:35:35	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-07-03 07:35:35	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-07-03 07:35:35	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-07-03 07:35:35	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-07-03 07:35:35	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-07-03 07:35:35	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-07-03 07:35:35	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-07-03 07:35:36	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-07-03 07:35:36	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020877
2026-07-03 07:35:36	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:35:36	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-07-03 07:35:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-07-03 07:35:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-07-03 07:35:38	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-07-03 07:35:38	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-07-03 07:35:38	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-07-03 07:35:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:35:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-07-03 07:35:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-07-03 07:35:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-07-03 07:35:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-07-03 07:35:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-07-03 07:35:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:35:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-07-03 07:35:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-07-03 07:35:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-07-03 07:35:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-07-03 07:35:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-07-03 07:35:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:35:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-07-03 07:35:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-07-03 07:35:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-07-03 07:35:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-07-03 07:35:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-07-03 07:35:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-07-03 07:35:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-07-03 07:35:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-07-03 07:35:44	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-07-03 07:35:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-07-03 07:35:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-07-03 07:35:45	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-07-03 07:35:45	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-07-03 07:35:45	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-07-03 07:35:46	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-07-03 07:35:46	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.mask', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.pb', 'im_post_phaseshift.psf', 'im_post_phaseshift.image']
2026-07-03 07:35:47	INFO	tclean::::casa	Task tclean complete. Start time: 2026-07-03 07:35:34.926470 End time: 2026-07-03 07:35:47.353879
2026-07-03 07:35:47	INFO	tclean::::casa	##### End Task: tclean               #####
2026-07-03 07:35:47	INFO	tclean::::casa	##########################################
2026-07-03 07:35:47	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-07-03 07:35:47	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:35:47	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)
2026-07-03 07:35:47	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-07-03 07:35:47	INFO	ImageFitter::fit	****** Fit performed at Fri Jul 3 07:35:47 2026******
2026-07-03 07:35:47	INFO	ImageFitter::fit+	
2026-07-03 07:35:47	INFO	ImageFitter::fit+	Input parameters ---
2026-07-03 07:35:47	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-07-03 07:35:47	INFO	ImageFitter::fit+	       --- region:              
2026-07-03 07:35:47	INFO	ImageFitter::fit+	       --- channel:             0
2026-07-03 07:35:47	INFO	ImageFitter::fit+	       --- stokes:              I
2026-07-03 07:35:47	INFO	ImageFitter::fit+	       --- mask:                
2026-07-03 07:35:47	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-07-03 07:35:47	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-07-03 07:35:47	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-07-03 07:35:47	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:35:47	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)
2026-07-03 07:35:47	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	Position ---
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	Flux ---
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-07-03 07:35:47	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-07-03 07:35:47	INFO	imstat::::casa	##########################################
2026-07-03 07:35:47	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-07-03 07:35:47	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 )
2026-07-03 07:35:47	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-07-03 07:35:47	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-07-03 07:35:47	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-07-03 07:35:47	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-07-03 07:35:47	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-07-03 07:35:47	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)
2026-07-03 07:35:47	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-07-03 07:35:47	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-07-03 07:35:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-07-03 07:35:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-07-03 07:35:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-07-03 07:35:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-07-03 07:35:47	INFO	imstat::::	Values --- 
2026-07-03 07:35:47	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-07-03 07:35:47	INFO	imstat::::	         -- number of points [npts]:                65536
2026-07-03 07:35:47	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-07-03 07:35:47	INFO	imstat::::	         -- minimum value [min]:                    -7.77956e-05 Jy/beam
2026-07-03 07:35:47	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-07-03 07:35:47	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-07-03 07:35:47	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-07-03 07:35:47	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-07-03 07:35:47	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-07-03 07:35:47	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-07-03 07:35:47	INFO	imstat::::	Statistics --- 
2026-07-03 07:35:47	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-07-03 07:35:47	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-07-03 07:35:47	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-07-03 07:35:47	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-07-03 07:35:47	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86648e-05 Jy/beam
2026-07-03 07:35:47	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73536e-05 Jy/beam
2026-07-03 07:35:47	INFO	imstat::::	        -- IQR [quartile]:                          3.5639e-05 Jy/beam
2026-07-03 07:35:47	INFO	imstat::::	        -- First quartile [q1]:                     -3.45152e-05 Jy/beam
2026-07-03 07:35:47	INFO	imstat::::	        -- Third quartile [q3]:                     1.12373e-06 Jy/beam
2026-07-03 07:35:47	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-07-03 07:35:47	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-07-03 07:35:47	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-07-03 07:35:47	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-07-03 07:35:47	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-07-03 07:35:47	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-07-03 07:35:47	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
2026-07-03 07:35:47	INFO	imstat::::casa	Task imstat complete. Start time: 2026-07-03 07:35:47.422629 End time: 2026-07-03 07:35:47.444360
2026-07-03 07:35:47	INFO	imstat::::casa	##### End Task: imstat               #####
2026-07-03 07:35:47	INFO	imstat::::casa	##########################################
.
----------------------------------------------------------------------
Ran 27 tests in 1415.759s

OK

Generating XML reports...