2026-02-05 17:11:27	INFO	::casa	Using user configuration file /home/casatest/.casa/config.py
2026-02-05 17:11:27	INFO	::casa	loaded config file : /wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casaconfig/config.py
2026-02-05 17:11:27	INFO	::casa	loaded config file : /home/casatest/.casa/config.py
2026-02-05 17:11:27	INFO	::casa	
2026-02-05 17:11:27	INFO	::casa	config values
2026-02-05 17:11:27	INFO	::casa	    agg = False
2026-02-05 17:11:27	INFO	::casa	    cachedir = '/home/casatest/.casa'
2026-02-05 17:11:27	INFO	::casa	    casaconfig_verbose = 1
2026-02-05 17:11:27	INFO	::casa	    colors = 'Neutral'
2026-02-05 17:11:27	INFO	::casa	    data_auto_update = False
2026-02-05 17:11:27	INFO	::casa	    data_update_interval = 1
2026-02-05 17:11:27	INFO	::casa	    datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata']
2026-02-05 17:11:27	INFO	::casa	    iplog = False
2026-02-05 17:11:27	INFO	::casa	    iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/ipython-20260205-171122.log'
2026-02-05 17:11:27	INFO	::casa	    log2term = True
2026-02-05 17:11:27	INFO	::casa	    logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/casa-20260205-171122.log'
2026-02-05 17:11:27	INFO	::casa	    measures_auto_update = False
2026-02-05 17:11:27	INFO	::casa	    measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/']
2026-02-05 17:11:27	INFO	::casa	    measures_site_interval = 2
2026-02-05 17:11:27	INFO	::casa	    measures_update_interval = 1
2026-02-05 17:11:27	INFO	::casa	    measurespath = '/opt/casa/data/master'
2026-02-05 17:11:27	INFO	::casa	    nogui = False
2026-02-05 17:11:27	INFO	::casa	    nologfile = False
2026-02-05 17:11:27	INFO	::casa	    nologger = True
2026-02-05 17:11:27	INFO	::casa	    pipeline = False
2026-02-05 17:11:27	INFO	::casa	    startupfile = '/home/casatest/.casa/startup.py'
2026-02-05 17:11:27	INFO	::casa	    user_site = False
2026-02-05 17:11:27	INFO	::casa	
2026-02-05 17:11:27	INFO	::casa	casarundata version is unknown, this is probably a legacy version not installed by casaconfig
2026-02-05 17:11:27	INFO	::casa	measures version : WSRT_Measures_20211102-160001.ztar
2026-02-05 17:11:27	INFO	::casa	
2026-02-05 17:11:27	INFO	::casa	Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic
2026-02-05 17:11:27	INFO	::casa	  IERSeop2000 (version date, last date in table (UTC)): 2026/01/19/15:15, 2025/12/20/00:00:00
2026-02-05 17:11:27	INFO	::casa	  IERSeop97 (version date, last date in table (UTC)): 2026/01/19/15:15, 2025/12/20/00:00:00
2026-02-05 17:11:27	INFO	::casa	  IERSpredict (version date, last date in table (UTC)): 2026/02/04/15:15, 2026/05/05/00:00:00
2026-02-05 17:11:27	INFO	::casa	  TAI_UTC (version date, last date in table (UTC)): 2026/01/22/15:15, 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 6.7.5.2 -- Common Astronomy Software Applications [6.7.5.2]
2026-02-05 17:11:27	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:27	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:27	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'} )
2026-02-05 17:11:27	INFO	MSTransformManager::parseMsSpecParams	Input file name is /opt/casa/data/casatestdata/unittest/phaseshift/split11.ms
2026-02-05 17:11:27	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:27	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshift11.ms
2026-02-05 17:11:27	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:27	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:27	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:27	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:27	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:28	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-02-05 17:11:28	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 1h27m38.337s +5d25m38.886s' successfully parsed for field 0
2026-02-05 17:11:28	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:28	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:28	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:26.826183 End time: 2026-02-05 17:11:28.105881
2026-02-05 17:11:28	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:28	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:28	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:28	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:28	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'} )
2026-02-05 17:11:28	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-02-05 17:11:28	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:28	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-02-05 17:11:28	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:28	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:28	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:28	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:28	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:29	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-02-05 17:11:29	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 19h53m50 40d06m00' successfully parsed for field 0
2026-02-05 17:11:29	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 22h01m02 40d04m03' successfully parsed for field 2
2026-02-05 17:11:29	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:29	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:29	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:28.213181 End time: 2026-02-05 17:11:29.178767
2026-02-05 17:11:29	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:29	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:29	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:29	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:29	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'} )
2026-02-05 17:11:29	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-02-05 17:11:29	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:29	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-02-05 17:11:29	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:29	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:29	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:29	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:29	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:30	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-02-05 17:11:30	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0
2026-02-05 17:11:30	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2
2026-02-05 17:11:30	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-02-05 17:11:30	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-02-05 17:11:30	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'] )
2026-02-05 17:11:30	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:30	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-02-05 17:11:30	INFO	phaseshift::::casa+	    mtlocal.open()
2026-02-05 17:11:30	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-02-05 17:11:30	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-02-05 17:11:30	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:30	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 176, in open
2026-02-05 17:11:30	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-02-05 17:11:30	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:30	INFO	phaseshift::::casa+	RuntimeError: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2
2026-02-05 17:11:30	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:29.262295 End time: 2026-02-05 17:11:29.670120
2026-02-05 17:11:30	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:30	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:30	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:30	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:30	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'} )
2026-02-05 17:11:30	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-02-05 17:11:30	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:30	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-02-05 17:11:30	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:30	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:30	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:30	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:30	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:30	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-02-05 17:11:30	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0
2026-02-05 17:11:30	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:31	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:31	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:29.759622 End time: 2026-02-05 17:11:30.655272
2026-02-05 17:11:31	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:31	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:31	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:31	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:31	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'} )
2026-02-05 17:11:31	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-02-05 17:11:31	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:31	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-02-05 17:11:31	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:31	INFO	MSTransformManager::parseDataSelParams	field selection is 0,2
2026-02-05 17:11:31	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:31	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:31	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:31	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:31	INFO	MSTransformDataHandler::makeSelection	11536 out of 15344 rows are going to be considered due to the selection criteria.
2026-02-05 17:11:31	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-02-05 17:11:31	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 1
2026-02-05 17:11:31	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 22h01m02 40d04m03' successfully parsed for field 2
2026-02-05 17:11:31	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:31	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:31	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:30.765254 End time: 2026-02-05 17:11:31.457357
2026-02-05 17:11:31	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:31	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:32	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:32	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:32	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'} )
2026-02-05 17:11:32	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-02-05 17:11:32	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:32	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-02-05 17:11:32	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:32	INFO	MSTransformManager::parseDataSelParams	field selection is 0,2
2026-02-05 17:11:32	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:32	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:32	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:32	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:32	INFO	MSTransformDataHandler::makeSelection	11536 out of 15344 rows are going to be considered due to the selection criteria.
2026-02-05 17:11:32	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-02-05 17:11:32	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m50 40d06m00' successfully parsed for field 0
2026-02-05 17:11:32	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 22h01m02 40d04m03' successfully parsed for field 2
2026-02-05 17:11:32	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:32	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:32	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:31.536541 End time: 2026-02-05 17:11:32.229920
2026-02-05 17:11:32	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:32	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:32	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:32	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:32	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' )
2026-02-05 17:11:32	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-02-05 17:11:32	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:32	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-02-05 17:11:32	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:32	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:32	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:32	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:32	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:33	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:11:33	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-02-05 17:11:33	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:33	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:33	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:32.307288 End time: 2026-02-05 17:11:33.273620
2026-02-05 17:11:33	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:33	INFO	phaseshift::::casa	##########################################
..2026-02-05 17:11:34	INFO	MeasIERS::fillMeas(MeasIERS::Files, Double) 	Requested JD 0 is outside the range of the IERS (Earth axis data) table.
2026-02-05 17:11:34	INFO	MeasIERS::fillMeas(MeasIERS::Files, Double) +	Calculations will proceed with less precision
..2026-02-05 17:11:34	SEVERE		Error in QuantumHolder::fromString with input string "xxh53m50": Illegal input units or format
2026-02-05 17:11:34	SEVERE	+	 in converting quantity from string 
2026-02-05 17:11:34	SEVERE		Exception Reported: Empty QuantumHolder argument for asQuantumDouble
2026-02-05 17:11:34	SEVERE		Exception Reports: Empty QuantumHolder argument for asQuantumDouble
2026-02-05 17:11:34	SEVERE	phaseshift::::casa	*** Error measures.direction() failed for phasecenter string: BOGUS xxh53m50 40d06m00 when interpreting parameter 'phasecenter': 
...2026-02-05 17:11:36	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:36	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:36	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' )
2026-02-05 17:11:36	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-02-05 17:11:36	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:36	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:11:36	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:36	INFO	MSTransformManager::parseDataSelParams	array selection is 1
2026-02-05 17:11:36	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:36	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:36	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:36	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:36	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows.
2026-02-05 17:11:36	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-02-05 17:11:36	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-02-05 17:11:36	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'] )
2026-02-05 17:11:36	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:36	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-02-05 17:11:36	INFO	phaseshift::::casa+	    mtlocal.open()
2026-02-05 17:11:36	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-02-05 17:11:36	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-02-05 17:11:36	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:36	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 176, in open
2026-02-05 17:11:36	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-02-05 17:11:36	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:36	INFO	phaseshift::::casa+	RuntimeError: MSSelectionNullSelection : The selected table has zero rows.
2026-02-05 17:11:36	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:36.461798 End time: 2026-02-05 17:11:36.498448
2026-02-05 17:11:36	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:36	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:36	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:36	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:36	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' )
2026-02-05 17:11:37	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-02-05 17:11:37	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:37	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:11:37	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:37	INFO	MSTransformManager::parseDataSelParams	array selection is 0
2026-02-05 17:11:37	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:37	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:37	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:37	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:37	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-02-05 17:11:37	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-02-05 17:11:38	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:11:38	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-02-05 17:11:38	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:38	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:38	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:36.499581 End time: 2026-02-05 17:11:37.939370
2026-02-05 17:11:38	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:38	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:39	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:39	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:39	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' )
2026-02-05 17:11:39	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-02-05 17:11:39	INFO	MSTransformManager::parseMsSpecParams	Data column is MODEL
2026-02-05 17:11:39	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:11:39	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:39	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:39	WARN	MSTransformManager::checkDataColumnsToFill	MODEL_DATA column requested but not available in input MS 
2026-02-05 17:11:39	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:39	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:39	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).
2026-02-05 17:11:39	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-02-05 17:11:39	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-02-05 17:11:39	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'] )
2026-02-05 17:11:39	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:39	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-02-05 17:11:39	INFO	phaseshift::::casa+	    mtlocal.open()
2026-02-05 17:11:39	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-02-05 17:11:39	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-02-05 17:11:39	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:39	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 176, in open
2026-02-05 17:11:39	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-02-05 17:11:39	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:39	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).
2026-02-05 17:11:39	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:38.884115 End time: 2026-02-05 17:11:38.914070
2026-02-05 17:11:39	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:39	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:39	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:39	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:39	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' )
2026-02-05 17:11:39	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-02-05 17:11:39	INFO	MSTransformManager::parseMsSpecParams	Data column is DATA
2026-02-05 17:11:39	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:11:39	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:39	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:39	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:39	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:39	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:39	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-02-05 17:11:39	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-02-05 17:11:40	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:11:40	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-02-05 17:11:40	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:40	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:40	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:38.915222 End time: 2026-02-05 17:11:40.111837
2026-02-05 17:11:40	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:40	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:41	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:41	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:41	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' )
2026-02-05 17:11:41	INFO	MSTransformManager::parseMsSpecParams	Input file name is Itziar_copy.ms
2026-02-05 17:11:41	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:41	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:11:41	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:41	INFO	MSTransformManager::parseDataSelParams	field selection is 2
2026-02-05 17:11:41	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:41	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:41	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:11:41	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:11:41	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:41	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:41	INFO	MSTransformDataHandler::makeSelection	6125 out of 245000 rows are going to be considered due to the selection criteria.
2026-02-05 17:11:41	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:11:41	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 00h00m01 -29d55m40' successfully parsed
2026-02-05 17:11:41	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:41	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:41	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:41.044093 End time: 2026-02-05 17:11:41.419360
2026-02-05 17:11:41	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:41	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:42	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:42	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:42	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' )
2026-02-05 17:11:42	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-02-05 17:11:42	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:42	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:11:42	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:42	INFO	MSTransformManager::parseDataSelParams	scan intent selection is *FLUX*
2026-02-05 17:11:42	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:42	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:42	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:42	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:42	INFO	MSTransformDataHandler::makeSelection	570 out of 6270 rows are going to be considered due to the selection criteria.
2026-02-05 17:11:43	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-02-05 17:11:43	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-02-05 17:11:43	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:11:43	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-02-05 17:11:43	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:43	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:43	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:42.251140 End time: 2026-02-05 17:11:43.324723
2026-02-05 17:11:43	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:43	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:44	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:44	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:44	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' )
2026-02-05 17:11:44	INFO	MSTransformManager::parseMsSpecParams	Input file name is mms_copy.mms
2026-02-05 17:11:44	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:44	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:11:44	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:44	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:44	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:44	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:44	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:45	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:11:45	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 05h30m48 13d31m48' successfully parsed
2026-02-05 17:11:45	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:45	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:45	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:44.235183 End time: 2026-02-05 17:11:44.878878
2026-02-05 17:11:45	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:45	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:46	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:46	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:46	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' )
2026-02-05 17:11:46	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-02-05 17:11:46	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:46	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:11:46	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:46	INFO	MSTransformManager::parseDataSelParams	observation selection is 1
2026-02-05 17:11:46	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:46	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:46	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:46	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:46	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows.
2026-02-05 17:11:46	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-02-05 17:11:46	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-02-05 17:11:46	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'] )
2026-02-05 17:11:46	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:46	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-02-05 17:11:46	INFO	phaseshift::::casa+	    mtlocal.open()
2026-02-05 17:11:46	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-02-05 17:11:46	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-02-05 17:11:46	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:46	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 176, in open
2026-02-05 17:11:46	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-02-05 17:11:46	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:46	INFO	phaseshift::::casa+	RuntimeError: MSSelectionNullSelection : The selected table has zero rows.
2026-02-05 17:11:46	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:45.787060 End time: 2026-02-05 17:11:45.823849
2026-02-05 17:11:46	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:46	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:46	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:46	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:46	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' )
2026-02-05 17:11:46	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-02-05 17:11:46	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:46	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:11:46	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:46	INFO	MSTransformManager::parseDataSelParams	observation selection is 0
2026-02-05 17:11:46	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:46	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:46	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:46	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:46	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-02-05 17:11:46	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-02-05 17:11:47	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:11:47	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-02-05 17:11:47	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:47	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:47	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:45.824945 End time: 2026-02-05 17:11:47.022091
2026-02-05 17:11:47	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:47	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:48	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:48	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:48	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-02-05 17:11:48	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-02-05 17:11:48	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:48	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:11:48	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:48	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:48	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:48	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:11:48	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:11:48	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:48	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:48	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:11:48	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-02-05 17:11:48	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:49	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:49	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:47.919916 End time: 2026-02-05 17:11:49.423517
2026-02-05 17:11:49	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:49	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:50	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:50	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:50	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='' )
2026-02-05 17:11:50	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: phasecenter parameter must be specified
2026-02-05 17:11:50	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-02-05 17:11:50	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-02-05 17:11:50	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'] )
2026-02-05 17:11:50	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-05 17:11:50	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-2-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 31, in phaseshift
2026-02-05 17:11:50	INFO	phaseshift::::casa+	    raise ValueError("phasecenter parameter must be specified")
2026-02-05 17:11:50	INFO	phaseshift::::casa+	ValueError: phasecenter parameter must be specified
2026-02-05 17:11:50	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:50.340899 End time: 2026-02-05 17:11:50.342101
2026-02-05 17:11:50	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:50	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:50	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:50	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:50	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' )
2026-02-05 17:11:50	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-02-05 17:11:50	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:50	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:11:50	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:50	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:50	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:50	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:50	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:51	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-02-05 17:11:51	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-02-05 17:11:51	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:11:51	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -08d23m35' successfully parsed
2026-02-05 17:11:51	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:52	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:52	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:50.343121 End time: 2026-02-05 17:11:51.526584
2026-02-05 17:11:52	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:52	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:52	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:52	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:52	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='00h06m14 -08d23m35' )
2026-02-05 17:11:52	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-02-05 17:11:52	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:52	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:11:52	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:52	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:52	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:52	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:52	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:53	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-02-05 17:11:53	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-02-05 17:11:53	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:11:53	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center '00h06m14 -08d23m35' successfully parsed
2026-02-05 17:11:53	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:54	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:54	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:52.464051 End time: 2026-02-05 17:11:53.609874
2026-02-05 17:11:54	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:54	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:11:55	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:55	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:11:55	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' )
2026-02-05 17:11:55	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-02-05 17:11:55	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:11:55	INFO	MSTransformManager::parseMsSpecParams	Output file name is post_phaseshift.ms
2026-02-05 17:11:55	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:11:55	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:11:55	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:11:55	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:11:55	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:11:55	INFO	MSTransformManager::open	Select data
2026-02-05 17:11:55	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:11:55	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:11:55	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-02-05 17:11:55	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:11:56	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:11:56	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:11:54.589066 End time: 2026-02-05 17:11:56.187216
2026-02-05 17:11:56	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:11:56	INFO	phaseshift::::casa	##########################################
2026-02-05 17:11:56	INFO	tclean::::casa	##########################################
2026-02-05 17:11:56	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:11:56	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 )
2026-02-05 17:11:56	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:11:56	INFO	SynthesisImagerVi2::selectData 	MS : datacopy.ms | [Opened in readonly mode]
2026-02-05 17:11:56	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 63180
2026-02-05 17:11:56	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_pre] : 
2026-02-05 17:11:56	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_pre] : 
2026-02-05 17:11:56	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:11:56	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09]
2026-02-05 17:11:56	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im2_pre] with ftmachine : wprojectft
2026-02-05 17:11:56	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 10.78 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:11:56	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:11:56	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im2_pre] : hogbom
2026-02-05 17:11:56	INFO	SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:11:57	INFO	WPConvFunc::findConvFunction	W projection using 128 planes
2026-02-05 17:11:57	INFO	WPConvFunc::findConvFunction	Using maximum possible W = 10313.2 (wavelengths)
2026-02-05 17:11:57	INFO	WPConvFunc::findConvFunction	Typical wavelength = 0.299796 (m)
2026-02-05 17:11:57	INFO	WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.639422 wavelengths per pixel
2026-02-05 17:12:33	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
2026-02-05 17:12:33	INFO	WPConvFunc::findConvFunction	Memory used in gridding function = 7 MB from maximum 15884 MB
2026-02-05 17:12:36	INFO	SIImageStore::calcSensitivity 	[im2_pre] Theoretical sensitivity (Jy/bm):0.00204403 
2026-02-05 17:12:36	INFO	SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.07718
2026-02-05 17:12:36	INFO	SIImageStore::printBeamSet 	Beam : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg
2026-02-05 17:12:36	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:12:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:12:39	INFO	task_tclean::SDAlgorithmBase::restore 	[im2_pre] : Restoring model image.
2026-02-05 17:12:39	WARN	task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2345)	Restoring with an empty model image. Only residuals will be processed to form the output restored image.
2026-02-05 17:12:39	INFO	task_tclean::SIImageStore::restore 	Beam for chan : 0 : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg
2026-02-05 17:12:39	INFO	tclean::::casa	Searching for images with prefix 'im2_pre'... Found these, writing history into them: ['im2_pre.residual', 'im2_pre.psf', 'im2_pre.sumwt', 'im2_pre.model', 'im2_pre.image', 'im2_pre.pb']
2026-02-05 17:12:40	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:11:56.252104 End time: 2026-02-05 17:12:39.525841
2026-02-05 17:12:40	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:12:40	INFO	tclean::::casa	##########################################
2026-02-05 17:12:40	INFO	tclean::::casa	##########################################
2026-02-05 17:12:40	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:12:40	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 )
2026-02-05 17:12:40	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:12:40	INFO	SynthesisImagerVi2::selectData 	MS : post_phaseshift.ms | [Opened in readonly mode]
2026-02-05 17:12:40	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 63180
2026-02-05 17:12:40	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift] : 
2026-02-05 17:12:40	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift] : 
2026-02-05 17:12:40	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:12:40	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09]
2026-02-05 17:12:40	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im2_post_phaseshift] with ftmachine : wprojectft
2026-02-05 17:12:40	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 10.77 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:12:40	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:12:40	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im2_post_phaseshift] : hogbom
2026-02-05 17:12:40	INFO	SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:12:40	INFO	WPConvFunc::findConvFunction	W projection using 128 planes
2026-02-05 17:12:40	INFO	WPConvFunc::findConvFunction	Using maximum possible W = 10313.2 (wavelengths)
2026-02-05 17:12:40	INFO	WPConvFunc::findConvFunction	Typical wavelength = 0.299796 (m)
2026-02-05 17:12:40	INFO	WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.639422 wavelengths per pixel
2026-02-05 17:13:13	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
2026-02-05 17:13:13	INFO	WPConvFunc::findConvFunction	Memory used in gridding function = 7 MB from maximum 15884 MB
2026-02-05 17:13:16	INFO	SIImageStore::calcSensitivity 	[im2_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00204403 
2026-02-05 17:13:16	INFO	SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.066227
2026-02-05 17:13:16	INFO	SIImageStore::printBeamSet 	Beam : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg
2026-02-05 17:13:16	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:13:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:13:20	INFO	task_tclean::SDAlgorithmBase::restore 	[im2_post_phaseshift] : Restoring model image.
2026-02-05 17:13:20	WARN	task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2345)	Restoring with an empty model image. Only residuals will be processed to form the output restored image.
2026-02-05 17:13:20	INFO	task_tclean::SIImageStore::restore 	Beam for chan : 0 : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg
2026-02-05 17:13:20	INFO	tclean::::casa	Searching for images with prefix 'im2_post_phaseshift'... Found these, writing history into them: ['im2_post_phaseshift.pb', 'im2_post_phaseshift.image', 'im2_post_phaseshift.psf', 'im2_post_phaseshift.model', 'im2_post_phaseshift.residual', 'im2_post_phaseshift.sumwt']
2026-02-05 17:13:20	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:12:39.560779 End time: 2026-02-05 17:13:19.837540
2026-02-05 17:13:20	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:13:20	INFO	tclean::::casa	##########################################
2026-02-05 17:13:20	INFO	tclean::::casa	##########################################
2026-02-05 17:13:20	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:13:20	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 )
2026-02-05 17:13:20	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:13:20	INFO	SynthesisImagerVi2::selectData 	MS : post_phaseshift.ms | [Opened in readonly mode]
2026-02-05 17:13:20	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 63180
2026-02-05 17:13:20	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 
2026-02-05 17:13:20	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 
2026-02-05 17:13:20	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:13:20	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09]
2026-02-05 17:13:20	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im2_post_phaseshift_tclean_phasecenter] with ftmachine : wprojectft
2026-02-05 17:13:20	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 10.77 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:13:20	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:13:20	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im2_post_phaseshift_tclean_phasecenter] : hogbom
2026-02-05 17:13:20	INFO	SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:13:20	INFO	WPConvFunc::findConvFunction	W projection using 128 planes
2026-02-05 17:13:20	INFO	WPConvFunc::findConvFunction	Using maximum possible W = 10313.2 (wavelengths)
2026-02-05 17:13:20	INFO	WPConvFunc::findConvFunction	Typical wavelength = 0.299796 (m)
2026-02-05 17:13:20	INFO	WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.639422 wavelengths per pixel
2026-02-05 17:13:53	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
2026-02-05 17:13:53	INFO	WPConvFunc::findConvFunction	Memory used in gridding function = 7 MB from maximum 15884 MB
2026-02-05 17:13:56	INFO	SIImageStore::calcSensitivity 	[im2_post_phaseshift_tclean_phasecenter] Theoretical sensitivity (Jy/bm):0.00204403 
2026-02-05 17:13:56	INFO	SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.066918
2026-02-05 17:13:56	INFO	SIImageStore::printBeamSet 	Beam : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg
2026-02-05 17:13:56	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:13:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:13:59	INFO	task_tclean::SDAlgorithmBase::restore 	[im2_post_phaseshift_tclean_phasecenter] : Restoring model image.
2026-02-05 17:13:59	WARN	task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2345)	Restoring with an empty model image. Only residuals will be processed to form the output restored image.
2026-02-05 17:13:59	INFO	task_tclean::SIImageStore::restore 	Beam for chan : 0 : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg
2026-02-05 17:13:59	INFO	tclean::::casa	Searching for images with prefix 'im2_post_phaseshift_tclean_phasecenter'... Found these, writing history into them: ['im2_post_phaseshift_tclean_phasecenter.pb', 'im2_post_phaseshift_tclean_phasecenter.image', 'im2_post_phaseshift_tclean_phasecenter.residual', 'im2_post_phaseshift_tclean_phasecenter.model', 'im2_post_phaseshift_tclean_phasecenter.sumwt', 'im2_post_phaseshift_tclean_phasecenter.psf']
2026-02-05 17:14:00	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:13:19.858786 End time: 2026-02-05 17:13:59.509135
2026-02-05 17:14:00	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:14:00	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}
.2026-02-05 17:14:01	INFO	phaseshift::::casa	##########################################
2026-02-05 17:14:01	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:14:01	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' )
2026-02-05 17:14:01	INFO	MSTransformManager::parseMsSpecParams	Input file name is ngc_copy.ms
2026-02-05 17:14:01	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:14:01	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:14:01	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:14:01	INFO	MSTransformManager::parseDataSelParams	spw selection is 1
2026-02-05 17:14:01	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:14:01	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:14:01	INFO	MSTransformManager::initDataSelectionParams	Selected SPWs Ids are Axis Lengths: [1, 4]  (NB: Matrix in Row/Column order)
2026-02-05 17:14:01	INFO	MSTransformManager::initDataSelectionParams+	[1, 0, 4, 1]
2026-02-05 17:14:01	INFO	MSTransformManager::open	Select data
2026-02-05 17:14:01	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:14:01	INFO	MSTransformDataHandler::makeSelection	13338 out of 26676 rows are going to be considered due to the selection criteria.
2026-02-05 17:14:01	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:14:01	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 23h11m54 61d10m54' successfully parsed
2026-02-05 17:14:01	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:14:01	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:14:01	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:14:00.743258 End time: 2026-02-05 17:14:01.161544
2026-02-05 17:14:01	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:14:01	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:14:02	INFO	phaseshift::::casa	##########################################
2026-02-05 17:14:02	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:14:02	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-02-05 17:14:02	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-02-05 17:14:02	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:14:02	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-02-05 17:14:02	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:14:02	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:14:02	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:14:02	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:14:02	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:14:02	INFO	MSTransformManager::open	Select data
2026-02-05 17:14:02	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:14:02	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:14:02	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-02-05 17:14:02	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:14:04	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:14:04	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:14:02.127622 End time: 2026-02-05 17:14:03.839984
2026-02-05 17:14:04	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:14:04	INFO	phaseshift::::casa	##########################################
.2026-02-05 17:14:04	INFO	phaseshift::::casa	##########################################
2026-02-05 17:14:04	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:14:04	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' )
2026-02-05 17:14:04	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:14:04	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:14:04	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:14:04	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:14:04	INFO	MSTransformManager::parseDataSelParams	field selection is 0
2026-02-05 17:14:04	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:14:04	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:14:04	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:14:04	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:14:04	INFO	MSTransformManager::open	Select data
2026-02-05 17:14:04	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:14:04	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-02-05 17:14:05	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:14:05	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed
2026-02-05 17:14:05	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:14:05	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:14:05	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:14:04.302140 End time: 2026-02-05 17:14:04.725419
2026-02-05 17:14:05	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:14:05	INFO	phaseshift::::casa	##########################################
2026-02-05 17:14:05	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-02-05 17:14:05	INFO	tclean::::casa	##########################################
2026-02-05 17:14:05	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:14:05	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 )
2026-02-05 17:14:05	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:14:05	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:14:05	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-02-05 17:14:05	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:14:05	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:14:05	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:14:05	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07]
2026-02-05 17:14:05	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:14:05	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.77 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:14:05	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:14:05	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:14:05	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:14:05	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-02-05 17:14:05	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024641
2026-02-05 17:14:05	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-02-05 17:14:05	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:14:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:14:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:14:06	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:14:06	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:14:06	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:14:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3
2026-02-05 17:14:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:14:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:14:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:14:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:14:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3
2026-02-05 17:14:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold.
2026-02-05 17:14:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:14:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:14:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053
2026-02-05 17:14:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3
2026-02-05 17:14:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold.
2026-02-05 17:14:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:14:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:14:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184
2026-02-05 17:14:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3
2026-02-05 17:14:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter.
2026-02-05 17:14:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:14:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:14:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276
2026-02-05 17:14:06	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:14:06	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:14:06	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:14:06	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-02-05 17:14:06	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:14:07	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:14:04.956061 End time: 2026-02-05 17:14:06.526173
2026-02-05 17:14:07	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:14:07	INFO	tclean::::casa	##########################################
2026-02-05 17:14:07	INFO	imstat::::casa	##########################################
2026-02-05 17:14:07	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:14:07	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 )
2026-02-05 17:14:07	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:14:07	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:14:07	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:14:07	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:14:07	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:14:07	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)
2026-02-05 17:14:07	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:14:07	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:14:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:14:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:14:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz
2026-02-05 17:14:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz
2026-02-05 17:14:07	INFO	imstat::::	Values --- 
2026-02-05 17:14:07	INFO	imstat::::	         -- flux density [flux]:                    4.99409 Jy
2026-02-05 17:14:07	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:14:07	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:14:07	INFO	imstat::::	         -- minimum value [min]:                    -0.00012283 Jy/beam
2026-02-05 17:14:07	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 124, 0, 0]
2026-02-05 17:14:07	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [100, 55, 0, 0]
2026-02-05 17:14:07	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz
2026-02-05 17:14:07	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz
2026-02-05 17:14:07	INFO	imstat::::	         -- Sum of pixel values [sum]:               605.961 Jy/beam
2026-02-05 17:14:07	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1516.75 Jy/beam.Jy/beam
2026-02-05 17:14:07	INFO	imstat::::	Statistics --- 
2026-02-05 17:14:07	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00924623 Jy/beam
2026-02-05 17:14:07	INFO	imstat::::	        -- Variance of the pixel values :           0.0230586 Jy/beam
2026-02-05 17:14:07	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.15185 Jy/beam
2026-02-05 17:14:07	INFO	imstat::::	        -- Root mean square [rms]:                  0.152131 Jy/beam
2026-02-05 17:14:07	INFO	imstat::::	        -- Median of the pixel values [median]:     -2.09007e-05 Jy/beam
2026-02-05 17:14:07	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam
2026-02-05 17:14:07	INFO	imstat::::	        -- IQR [quartile]:                          6.1616e-05 Jy/beam
2026-02-05 17:14:07	INFO	imstat::::	        -- First quartile [q1]:                     -4.79744e-05 Jy/beam
2026-02-05 17:14:07	INFO	imstat::::	        -- Third quartile [q3]:                     1.36416e-05 Jy/beam
2026-02-05 17:14:07	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:14:07	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:14:07	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:14:07	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:14:07	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:14:07	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:14:07	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
2026-02-05 17:14:07	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:14:06.547081 End time: 2026-02-05 17:14:06.584664
2026-02-05 17:14:07	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:14:07	INFO	imstat::::casa	##########################################
2026-02-05 17:14:07	INFO	phaseshift::::casa	##########################################
2026-02-05 17:14:07	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:14:07	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' )
2026-02-05 17:14:07	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:14:07	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:14:07	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:14:07	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:14:07	INFO	MSTransformManager::parseDataSelParams	field selection is fake
2026-02-05 17:14:07	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:14:07	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:14:07	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:14:07	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:14:07	INFO	MSTransformManager::open	Select data
2026-02-05 17:14:07	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:14:07	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-02-05 17:14:07	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:14:07	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed
2026-02-05 17:14:07	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:14:07	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:14:07	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:14:06.604596 End time: 2026-02-05 17:14:06.992188
2026-02-05 17:14:07	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:14:07	INFO	phaseshift::::casa	##########################################
2026-02-05 17:14:07	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data.ms...
2026-02-05 17:14:07	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-02-05 17:14:07	INFO	tclean::::casa	##########################################
2026-02-05 17:14:07	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:14:07	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:14:07	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:14:07	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:14:07	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-02-05 17:14:07	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:14:07	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:14:07	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:14:07	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07]
2026-02-05 17:14:07	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:14:07	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.76 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:14:07	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:14:07	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:14:07	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:14:07	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-02-05 17:14:07	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.014549
2026-02-05 17:14:07	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-02-05 17:14:07	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:14:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:14:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:14:07	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:14:07	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:14:07	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:14:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3
2026-02-05 17:14:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:14:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:14:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:14:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:14:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3
2026-02-05 17:14:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold.
2026-02-05 17:14:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:14:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:14:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053
2026-02-05 17:14:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3
2026-02-05 17:14:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold.
2026-02-05 17:14:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:14:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:14:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184
2026-02-05 17:14:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3
2026-02-05 17:14:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter.
2026-02-05 17:14:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:14:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:14:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276
2026-02-05 17:14:08	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:14:08	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:14:08	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:14:08	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-02-05 17:14:08	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:14:08	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:14:07.029753 End time: 2026-02-05 17:14:08.320900
2026-02-05 17:14:08	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:14:08	INFO	tclean::::casa	##########################################
2026-02-05 17:14:08	INFO	imstat::::casa	##########################################
2026-02-05 17:14:08	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:14:08	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-02-05 17:14:08	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:14:08	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:14:08	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:14:08	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:14:08	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:14:08	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)
2026-02-05 17:14:08	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:14:08	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:14:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:14:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:14:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz
2026-02-05 17:14:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz
2026-02-05 17:14:08	INFO	imstat::::	Values --- 
2026-02-05 17:14:08	INFO	imstat::::	         -- flux density [flux]:                    4.99409 Jy
2026-02-05 17:14:08	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:14:08	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:14:08	INFO	imstat::::	         -- minimum value [min]:                    -0.00012283 Jy/beam
2026-02-05 17:14:08	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 124, 0, 0]
2026-02-05 17:14:08	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [100, 55, 0, 0]
2026-02-05 17:14:08	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz
2026-02-05 17:14:08	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz
2026-02-05 17:14:08	INFO	imstat::::	         -- Sum of pixel values [sum]:               605.961 Jy/beam
2026-02-05 17:14:08	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1516.75 Jy/beam.Jy/beam
2026-02-05 17:14:08	INFO	imstat::::	Statistics --- 
2026-02-05 17:14:08	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00924623 Jy/beam
2026-02-05 17:14:08	INFO	imstat::::	        -- Variance of the pixel values :           0.0230586 Jy/beam
2026-02-05 17:14:08	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.15185 Jy/beam
2026-02-05 17:14:08	INFO	imstat::::	        -- Root mean square [rms]:                  0.152131 Jy/beam
2026-02-05 17:14:08	INFO	imstat::::	        -- Median of the pixel values [median]:     -2.09007e-05 Jy/beam
2026-02-05 17:14:08	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam
2026-02-05 17:14:08	INFO	imstat::::	        -- IQR [quartile]:                          6.1616e-05 Jy/beam
2026-02-05 17:14:08	INFO	imstat::::	        -- First quartile [q1]:                     -4.79744e-05 Jy/beam
2026-02-05 17:14:08	INFO	imstat::::	        -- Third quartile [q3]:                     1.36416e-05 Jy/beam
2026-02-05 17:14:08	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:14:08	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:14:08	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:14:08	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:14:08	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:14:08	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:14:08	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
2026-02-05 17:14:08	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:14:08.322983 End time: 2026-02-05 17:14:08.341566
2026-02-05 17:14:08	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:14:08	INFO	imstat::::casa	##########################################
2026-02-05 17:14:08	INFO	phaseshift::::casa	##########################################
2026-02-05 17:14:08	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:14:08	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' )
2026-02-05 17:14:08	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:14:08	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:14:08	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:14:08	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:14:08	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:14:08	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:14:08	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:14:08	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:14:08	INFO	MSTransformManager::open	Select data
2026-02-05 17:14:08	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:14:09	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:14:09	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed
2026-02-05 17:14:09	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:14:09	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:14:09	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:14:08.352282 End time: 2026-02-05 17:14:08.797078
2026-02-05 17:14:09	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:14:09	INFO	phaseshift::::casa	##########################################
2026-02-05 17:14:09	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-02-05 17:14:09	INFO	tclean::::casa	##########################################
2026-02-05 17:14:09	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:14:09	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 )
2026-02-05 17:14:09	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:14:09	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:14:09	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 7020
2026-02-05 17:14:09	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:14:09	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:14:09	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:14:09	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:14:09	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:14:09	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.76 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:14:09	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:14:09	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:14:09	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:14:09	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00843949 
2026-02-05 17:14:09	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.012175
2026-02-05 17:14:09	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg
2026-02-05 17:14:09	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:14:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:14:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:14:10	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:14:10	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:14:10	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:14:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6069034934043884, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.606903, CycleNiter=20, Gain=0.3
2026-02-05 17:14:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:14:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:14:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:14:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:14:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07140088081359863, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0714009, CycleNiter=14, Gain=0.3
2026-02-05 17:14:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold.
2026-02-05 17:14:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:14:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:14:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053
2026-02-05 17:14:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00840018317103386, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00840018, CycleNiter=8, Gain=0.3
2026-02-05 17:14:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold.
2026-02-05 17:14:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:14:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:14:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814189, over full image : 0.00814189
2026-02-05 17:14:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009882674785330892, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000988267, CycleNiter=2, Gain=0.3
2026-02-05 17:14:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814189->0.00279267, Reached cycleniter.
2026-02-05 17:14:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:14:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:14:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0027928, over full image : 0.0027928
2026-02-05 17:14:10	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:14:10	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:14:10	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:14:10	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg
2026-02-05 17:14:10	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:14:11	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:14:09.034598 End time: 2026-02-05 17:14:10.517344
2026-02-05 17:14:11	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:14:11	INFO	tclean::::casa	##########################################
2026-02-05 17:14:11	INFO	imstat::::casa	##########################################
2026-02-05 17:14:11	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:14:11	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-02-05 17:14:11	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:14:11	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:14:11	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:14:11	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:14:11	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:14:11	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)
2026-02-05 17:14:11	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:14:11	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:14:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:14:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:14:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 999981604.64Hz
2026-02-05 17:14:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.069, +40.23.25.888, I, 999981604.64Hz
2026-02-05 17:14:11	INFO	imstat::::	Values --- 
2026-02-05 17:14:11	INFO	imstat::::	         -- flux density [flux]:                    4.99444 Jy
2026-02-05 17:14:11	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:14:11	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:14:11	INFO	imstat::::	         -- minimum value [min]:                    -9.70533e-05 Jy/beam
2026-02-05 17:14:11	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 124, 0, 0]
2026-02-05 17:14:11	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [158, 70, 0, 0]
2026-02-05 17:14:11	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981604.64Hz
2026-02-05 17:14:11	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:29.120, +39.58.47.882, I, 999981604.64Hz
2026-02-05 17:14:11	INFO	imstat::::	         -- Sum of pixel values [sum]:               610.203 Jy/beam
2026-02-05 17:14:11	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1527.26 Jy/beam.Jy/beam
2026-02-05 17:14:11	INFO	imstat::::	Statistics --- 
2026-02-05 17:14:11	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00931096 Jy/beam
2026-02-05 17:14:11	INFO	imstat::::	        -- Variance of the pixel values :           0.0232178 Jy/beam
2026-02-05 17:14:11	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152374 Jy/beam
2026-02-05 17:14:11	INFO	imstat::::	        -- Root mean square [rms]:                  0.152657 Jy/beam
2026-02-05 17:14:11	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.85752e-05 Jy/beam
2026-02-05 17:14:11	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.83975e-05 Jy/beam
2026-02-05 17:14:11	INFO	imstat::::	        -- IQR [quartile]:                          3.74524e-05 Jy/beam
2026-02-05 17:14:11	INFO	imstat::::	        -- First quartile [q1]:                     -3.53147e-05 Jy/beam
2026-02-05 17:14:11	INFO	imstat::::	        -- Third quartile [q3]:                     2.13765e-06 Jy/beam
2026-02-05 17:14:11	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:14:11	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:14:11	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:14:11	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:14:11	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:14:11	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:14:11	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
2026-02-05 17:14:11	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:14:10.520957 End time: 2026-02-05 17:14:10.545890
2026-02-05 17:14:11	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:14:11	INFO	imstat::::casa	##########################################
2026-02-05 17:14:11	INFO	phaseshift::::casa	##########################################
2026-02-05 17:14:11	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:14:11	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' )
2026-02-05 17:14:11	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:14:11	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:14:11	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:14:11	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:14:11	INFO	MSTransformManager::parseDataSelParams	field selection is 1
2026-02-05 17:14:11	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:14:11	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:14:11	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:14:11	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:14:11	INFO	MSTransformManager::open	Select data
2026-02-05 17:14:11	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:14:11	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-02-05 17:14:11	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:14:11	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed
2026-02-05 17:14:11	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:14:11	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:14:11	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:14:10.560296 End time: 2026-02-05 17:14:10.908564
2026-02-05 17:14:11	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:14:11	INFO	phaseshift::::casa	##########################################
2026-02-05 17:14:11	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-02-05 17:14:11	INFO	tclean::::casa	##########################################
2026-02-05 17:14:11	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:14:11	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 )
2026-02-05 17:14:11	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:14:11	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:14:11	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-02-05 17:14:11	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:14:11	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:14:11	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:14:11	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07]
2026-02-05 17:14:11	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:14:11	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.76 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:14:11	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:14:11	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:14:11	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:14:11	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-02-05 17:14:11	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010326
2026-02-05 17:14:11	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-02-05 17:14:11	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:14:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:14:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 0.290316
2026-02-05 17:14:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:14:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:14:12	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.290316, over full image : 0.290316
2026-02-05 17:14:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3
2026-02-05 17:14:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter.
2026-02-05 17:14:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:14:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:14:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.180075, over full image : 0.180075
2026-02-05 17:14:12	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:14:12	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:14:12	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:14:12	INFO	SIImageStore::restore 	Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-02-05 17:14:12	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:14:12	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:14:11.080927 End time: 2026-02-05 17:14:11.947156
2026-02-05 17:14:12	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:14:12	INFO	tclean::::casa	##########################################
2026-02-05 17:14:12	INFO	imstat::::casa	##########################################
2026-02-05 17:14:12	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:14:12	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 )
2026-02-05 17:14:12	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:14:12	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:14:12	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:14:12	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:14:12	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:14:12	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)
2026-02-05 17:14:12	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:14:12	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:14:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:14:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:14:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz
2026-02-05 17:14:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz
2026-02-05 17:14:12	INFO	imstat::::	Values --- 
2026-02-05 17:14:12	INFO	imstat::::	         -- flux density [flux]:                    -0.242513 Jy
2026-02-05 17:14:12	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:14:12	INFO	imstat::::	         -- maximum value [max]:                    0.285872 Jy/beam
2026-02-05 17:14:12	INFO	imstat::::	         -- minimum value [min]:                    -0.1468 Jy/beam
2026-02-05 17:14:12	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [54, 120, 0, 0]
2026-02-05 17:14:12	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [148, 28, 0, 0]
2026-02-05 17:14:12	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz
2026-02-05 17:14:12	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz
2026-02-05 17:14:12	INFO	imstat::::	         -- Sum of pixel values [sum]:               -29.9309 Jy/beam
2026-02-05 17:14:12	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     233.452 Jy/beam.Jy/beam
2026-02-05 17:14:12	INFO	imstat::::	Statistics --- 
2026-02-05 17:14:12	INFO	imstat::::	        -- Mean of the pixel values [mean]:         -0.00045671 Jy/beam
2026-02-05 17:14:12	INFO	imstat::::	        -- Variance of the pixel values :           0.00356204 Jy/beam
2026-02-05 17:14:12	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.0596828 Jy/beam
2026-02-05 17:14:12	INFO	imstat::::	        -- Root mean square [rms]:                  0.0596841 Jy/beam
2026-02-05 17:14:12	INFO	imstat::::	        -- Median of the pixel values [median]:     -0.00646386 Jy/beam
2026-02-05 17:14:12	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam
2026-02-05 17:14:12	INFO	imstat::::	        -- IQR [quartile]:                          0.0789052 Jy/beam
2026-02-05 17:14:12	INFO	imstat::::	        -- First quartile [q1]:                     -0.0432754 Jy/beam
2026-02-05 17:14:12	INFO	imstat::::	        -- Third quartile [q3]:                     0.0356299 Jy/beam
2026-02-05 17:14:12	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:14:12	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:14:12	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:14:12	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:14:12	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:14:12	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:14:12	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
2026-02-05 17:14:12	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:14:11.951019 End time: 2026-02-05 17:14:11.982698
2026-02-05 17:14:12	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:14:12	INFO	imstat::::casa	##########################################
2026-02-05 17:14:12	INFO	phaseshift::::casa	##########################################
2026-02-05 17:14:12	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:14:12	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' )
2026-02-05 17:14:12	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:14:12	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:14:12	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:14:12	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:14:12	INFO	MSTransformManager::parseDataSelParams	field selection is pretend
2026-02-05 17:14:12	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:14:12	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:14:12	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:14:12	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:14:12	INFO	MSTransformManager::open	Select data
2026-02-05 17:14:12	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:14:12	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-02-05 17:14:12	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:14:12	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed
2026-02-05 17:14:12	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:14:12	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:14:12	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:14:11.999272 End time: 2026-02-05 17:14:12.367211
2026-02-05 17:14:12	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:14:12	INFO	phaseshift::::casa	##########################################
2026-02-05 17:14:12	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data.ms...
2026-02-05 17:14:12	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-02-05 17:14:12	INFO	tclean::::casa	##########################################
2026-02-05 17:14:12	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:14:12	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:14:12	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:14:12	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:14:12	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-02-05 17:14:12	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:14:12	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:14:12	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:14:12	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07]
2026-02-05 17:14:12	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:14:12	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.76 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:14:12	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:14:12	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:14:12	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:14:13	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-02-05 17:14:13	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.01387
2026-02-05 17:14:13	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-02-05 17:14:13	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:14:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:14:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 0.290316
2026-02-05 17:14:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:14:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:14:13	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.290316, over full image : 0.290316
2026-02-05 17:14:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3
2026-02-05 17:14:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter.
2026-02-05 17:14:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:14:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:14:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.180075, over full image : 0.180075
2026-02-05 17:14:13	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:14:13	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:14:13	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:14:13	INFO	SIImageStore::restore 	Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-02-05 17:14:13	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:14:13	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:14:12.401611 End time: 2026-02-05 17:14:13.112038
2026-02-05 17:14:13	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:14:13	INFO	tclean::::casa	##########################################
2026-02-05 17:14:13	INFO	imstat::::casa	##########################################
2026-02-05 17:14:13	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:14:13	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 )
2026-02-05 17:14:13	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:14:13	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:14:13	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:14:13	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:14:13	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:14:13	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)
2026-02-05 17:14:13	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:14:13	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:14:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:14:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:14:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz
2026-02-05 17:14:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz
2026-02-05 17:14:13	INFO	imstat::::	Values --- 
2026-02-05 17:14:13	INFO	imstat::::	         -- flux density [flux]:                    -0.242513 Jy
2026-02-05 17:14:13	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:14:13	INFO	imstat::::	         -- maximum value [max]:                    0.285872 Jy/beam
2026-02-05 17:14:13	INFO	imstat::::	         -- minimum value [min]:                    -0.1468 Jy/beam
2026-02-05 17:14:13	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [54, 120, 0, 0]
2026-02-05 17:14:13	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [148, 28, 0, 0]
2026-02-05 17:14:13	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz
2026-02-05 17:14:13	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz
2026-02-05 17:14:13	INFO	imstat::::	         -- Sum of pixel values [sum]:               -29.9309 Jy/beam
2026-02-05 17:14:13	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     233.452 Jy/beam.Jy/beam
2026-02-05 17:14:13	INFO	imstat::::	Statistics --- 
2026-02-05 17:14:13	INFO	imstat::::	        -- Mean of the pixel values [mean]:         -0.00045671 Jy/beam
2026-02-05 17:14:13	INFO	imstat::::	        -- Variance of the pixel values :           0.00356204 Jy/beam
2026-02-05 17:14:13	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.0596828 Jy/beam
2026-02-05 17:14:13	INFO	imstat::::	        -- Root mean square [rms]:                  0.0596841 Jy/beam
2026-02-05 17:14:13	INFO	imstat::::	        -- Median of the pixel values [median]:     -0.00646386 Jy/beam
2026-02-05 17:14:13	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam
2026-02-05 17:14:13	INFO	imstat::::	        -- IQR [quartile]:                          0.0789052 Jy/beam
2026-02-05 17:14:13	INFO	imstat::::	        -- First quartile [q1]:                     -0.0432754 Jy/beam
2026-02-05 17:14:13	INFO	imstat::::	        -- Third quartile [q3]:                     0.0356299 Jy/beam
2026-02-05 17:14:13	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:14:13	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:14:13	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:14:13	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:14:13	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:14:13	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:14:13	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
2026-02-05 17:14:13	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:14:13.115351 End time: 2026-02-05 17:14:13.145586
2026-02-05 17:14:13	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:14:13	INFO	imstat::::casa	##########################################
.2026-02-05 17:14:13	INFO	tclean::::casa	##########################################
2026-02-05 17:14:13	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:14:13	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 )
2026-02-05 17:14:13	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:14:13	INFO	SynthesisImagerVi2::selectData 	MS : sim_data.ms | [Opened in readonly mode]
2026-02-05 17:14:13	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:14:13	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_orig] : 
2026-02-05 17:14:13	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_orig] : 
2026-02-05 17:14:13	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:14:13	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [9.99981e+08] at [0] with increment [1e+08]
2026-02-05 17:14:13	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_orig] with ftmachine : wprojectft
2026-02-05 17:14:13	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 10.76 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:14:13	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:14:13	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_orig] : hogbom
2026-02-05 17:14:13	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:14:13	INFO	task_tclean::WPConvFunc::findConvFunction	W projection using 128 planes
2026-02-05 17:14:13	INFO	task_tclean::WPConvFunc::findConvFunction	Using maximum possible W = 6445.78 (wavelengths)
2026-02-05 17:14:13	INFO	task_tclean::WPConvFunc::findConvFunction	Typical wavelength = 0.299799 (m)
2026-02-05 17:14:13	INFO	task_tclean::WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.399639 wavelengths per pixel
2026-02-05 17:14:48	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
2026-02-05 17:14:48	INFO	task_tclean::WPConvFunc::findConvFunction	Memory used in gridding function = 14 MB from maximum 15884 MB
2026-02-05 17:14:51	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_orig] Theoretical sensitivity (Jy/bm):0.00889437 
2026-02-05 17:14:51	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.080627
2026-02-05 17:14:51	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg
2026-02-05 17:14:51	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:14:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:14:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 4.94899
2026-02-05 17:14:54	INFO	SynthesisDeconvolver::setupMask 	[im_orig] Initializing new mask to 1.0 for the full image
2026-02-05 17:14:54	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 % ]
2026-02-05 17:14:54	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 4.94899, over full image : 4.94899
2026-02-05 17:14:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.5971387624740601, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:54	INFO	SDAlgorithmBase::deconvolve 	[im_orig] Run Hogbom minor-cycle | CycleThreshold=0.597139, CycleNiter=20, Gain=0.3
2026-02-05 17:14:55	INFO	SDAlgorithmBase::deconvolve 	[im_orig] iters=0->7 [7], model=0->4.6028, peakres=4.94899->0.435227, Reached cyclethreshold.
2026-02-05 17:14:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 7 iterations.
2026-02-05 17:14:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:14:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.45574, over full image : 0.45574
2026-02-05 17:14:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 13, 'cyclethreshold': 0.05498892068862915, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:14:59	INFO	SDAlgorithmBase::deconvolve 	[im_orig] Run Hogbom minor-cycle | CycleThreshold=0.0549889, CycleNiter=13, Gain=0.3
2026-02-05 17:15:00	INFO	SDAlgorithmBase::deconvolve 	[im_orig] iters=0->7 [7], model=4.6028->5.02619, peakres=0.45574->0.0435268, Reached cyclethreshold.
2026-02-05 17:15:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 14 iterations.
2026-02-05 17:15:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0416506, over full image : 0.0416506
2026-02-05 17:15:04	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 6, 'cyclethreshold': 0.005025505553930998, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:04	INFO	SDAlgorithmBase::deconvolve 	[im_orig] Run Hogbom minor-cycle | CycleThreshold=0.00502551, CycleNiter=6, Gain=0.3
2026-02-05 17:15:04	INFO	SDAlgorithmBase::deconvolve 	[im_orig] iters=0->6 [6], model=5.02619->5.04001, peakres=0.0416506->0.0226678, Reached cycleniter.
2026-02-05 17:15:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.022671, over full image : 0.022671
2026-02-05 17:15:09	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:09	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:09	INFO	SDAlgorithmBase::restore 	[im_orig] : Restoring model image.
2026-02-05 17:15:09	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg
2026-02-05 17:15:10	INFO	tclean::::casa	Searching for images with prefix 'im_orig'... Found these, writing history into them: ['im_orig.image', 'im_orig.sumwt', 'im_orig.residual', 'im_orig.psf', 'im_orig.mask', 'im_orig.pb', 'im_orig.model']
2026-02-05 17:15:10	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:14:13.312414 End time: 2026-02-05 17:15:09.694086
2026-02-05 17:15:10	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:10	INFO	tclean::::casa	##########################################
2026-02-05 17:15:10	INFO	imstat::::casa	##########################################
2026-02-05 17:15:10	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:10	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 )
2026-02-05 17:15:10	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:10	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:10	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:10	INFO	imstat::image::statistics 	Determining stats for image im_orig.image
2026-02-05 17:15:10	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:10	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)
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [2047, 2047, 0, 0]
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 20:11:05.220, +38.21.11.967, I, 999980841.3Hz
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:47:03.322, +42.54.02.996, I, 999980841.3Hz
2026-02-05 17:15:10	INFO	imstat::::	Values --- 
2026-02-05 17:15:10	INFO	imstat::::	         -- flux density [flux]:                    5.2713 Jy
2026-02-05 17:15:10	INFO	imstat::::	         -- number of points [npts]:                4.1943e+06
2026-02-05 17:15:10	INFO	imstat::::	         -- maximum value [max]:                    4.97713 Jy/beam
2026-02-05 17:15:10	INFO	imstat::::	         -- minimum value [min]:                    -0.022671 Jy/beam
2026-02-05 17:15:10	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [1509, 773, 0, 0]
2026-02-05 17:15:10	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [1708, 965, 0, 0]
2026-02-05 17:15:10	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.302, +40.06.02.372, I, 999980841.3Hz
2026-02-05 17:15:10	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:51:28.525, +40.31.07.260, I, 999980841.3Hz
2026-02-05 17:15:10	INFO	imstat::::	         -- Sum of pixel values [sum]:               641.87 Jy/beam
2026-02-05 17:15:10	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1619.58 Jy/beam.Jy/beam
2026-02-05 17:15:10	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:10	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.000153034 Jy/beam
2026-02-05 17:15:10	INFO	imstat::::	        -- Variance of the pixel values :           0.000386116 Jy/beam
2026-02-05 17:15:10	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.0196498 Jy/beam
2026-02-05 17:15:10	INFO	imstat::::	        -- Root mean square [rms]:                  0.0196504 Jy/beam
2026-02-05 17:15:10	INFO	imstat::::	        -- Median of the pixel values [median]:     4.61875e-06 Jy/beam
2026-02-05 17:15:10	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 0.003161 Jy/beam
2026-02-05 17:15:10	INFO	imstat::::	        -- IQR [quartile]:                          0.00632194 Jy/beam
2026-02-05 17:15:10	INFO	imstat::::	        -- First quartile [q1]:                     -0.00315521 Jy/beam
2026-02-05 17:15:10	INFO	imstat::::	        -- Third quartile [q3]:                     0.00316673 Jy/beam
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:10	INFO	imstat::ImageStatsCalculator::statistics	 4.194304e+06  6.418701e+02  1.530337e-04  1.965042e-02  1.964982e-02 -2.267100e-02  4.977134e+00
2026-02-05 17:15:10	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:09.696585 End time: 2026-02-05 17:15:09.966328
2026-02-05 17:15:10	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:10	INFO	imstat::::casa	##########################################
2026-02-05 17:15:10	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:10	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:10	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)
2026-02-05 17:15:10	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:10	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:10 2026******
2026-02-05 17:15:10	INFO	ImageFitter::fit+	
2026-02-05 17:15:10	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:10	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_orig.image
2026-02-05 17:15:10	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:10	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:10	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:10	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:10	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:10	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:10	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:10	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:10	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)
2026-02-05 17:15:10	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29832 Jy
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00459192 Jy
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85855 Jy
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00458731 Jy
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	Fit on im_orig.image component 0
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.9885 +/- 0.0032 s (0.0367 arcsec along great circle)
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.0594 +/- 0.0281 arcsec
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- ra:  1509.4535 +/- 0.0046 pixels
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- dec: 772.7181 +/- 0.0035 pixels
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.4778 +/- 0.0014 arcmin
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.2915 +/- 0.0011 arcmin
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.42 +/- 0.26 deg
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.70 arcsec
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.54 arcsec
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- position angle: -89.60 deg
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	    Component is a point source
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	    An upper limit on its size cannot be determined
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.0049 +/- 0.0079 Jy
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- Peak:         5.0102 +/- 0.0046 Jy/beam
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:10	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9808 MHz (29.97982 cm)
2026-02-05 17:15:10	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:10	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:10	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-02-05 17:15:10	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:10	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:10	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:10	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:10	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:10	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:10	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:10	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:10	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:10	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:10	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:10	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-02-05 17:15:10	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:11	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:11	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:10.073152 End time: 2026-02-05 17:15:10.505712
2026-02-05 17:15:11	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:11	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:11	INFO	tclean::::casa	##########################################
2026-02-05 17:15:11	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:11	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 )
2026-02-05 17:15:11	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:11	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:11	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:11	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:11	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:11	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:11	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:11	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:11	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:11	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:11	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:11	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:11	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:11	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010075
2026-02-05 17:15:11	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:11	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:11	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:11	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:11	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:12	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:12	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:12	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:12	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:12	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:12	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:10.621552 End time: 2026-02-05 17:15:11.962415
2026-02-05 17:15:12	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:12	INFO	tclean::::casa	##########################################
2026-02-05 17:15:12	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:12	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:12	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)
2026-02-05 17:15:12	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:12	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:12 2026******
2026-02-05 17:15:12	INFO	ImageFitter::fit+	
2026-02-05 17:15:12	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:12	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:12	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:12	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:12	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:12	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:12	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:12	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:12	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:12	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:12	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)
2026-02-05 17:15:12	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:12	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:12	INFO	imstat::::casa	##########################################
2026-02-05 17:15:12	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:12	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 )
2026-02-05 17:15:12	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:12	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:12	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:12	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:12	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:12	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)
2026-02-05 17:15:12	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:12	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:12	INFO	imstat::::	Values --- 
2026-02-05 17:15:12	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:12	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:12	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:12	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-02-05 17:15:12	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:12	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:12	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:12	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:15:12	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:12	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:12	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:12	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:12	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:12	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:12	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:12	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-02-05 17:15:12	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-02-05 17:15:12	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-02-05 17:15:12	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-02-05 17:15:12	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-02-05 17:15:12	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:12	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:12	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:12	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:12	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:12	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:12	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
2026-02-05 17:15:12	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:12.018387 End time: 2026-02-05 17:15:12.040375
2026-02-05 17:15:12	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:12	INFO	imstat::::casa	##########################################
2026-02-05 17:15:12	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:12	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:12	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 02:40:24.0000' )
2026-02-05 17:15:12	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:12	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:12	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:12	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:12	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:12	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:12	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:12	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:12	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:12	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:12	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 ".".
2026-02-05 17:15:12	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 02:40:24.0000' successfully parsed
2026-02-05 17:15:12	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:12	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:12	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:12.054592 End time: 2026-02-05 17:15:12.447811
2026-02-05 17:15:12	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:12	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:12	INFO	tclean::::casa	##########################################
2026-02-05 17:15:12	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:12	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:15:12	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:12	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:12	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:13	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:13	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:13	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:13	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:13	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:13	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:13	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:13	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:13	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:13	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:13	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.018178
2026-02-05 17:15:13	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:13	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:13	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:14	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:14	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:14	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:14	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:14	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:14	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:12.464819 End time: 2026-02-05 17:15:13.739393
2026-02-05 17:15:14	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:14	INFO	tclean::::casa	##########################################
2026-02-05 17:15:14	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:14	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:14	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)
2026-02-05 17:15:14	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:14	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:14 2026******
2026-02-05 17:15:14	INFO	ImageFitter::fit+	
2026-02-05 17:15:14	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:14	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:14	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:14	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:14	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:14	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:14	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:14	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:14	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:14	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:14	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)
2026-02-05 17:15:14	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:14	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:14	INFO	imstat::::casa	##########################################
2026-02-05 17:15:14	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:14	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 )
2026-02-05 17:15:14	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:14	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:14	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:14	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:14	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:14	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)
2026-02-05 17:15:14	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:14	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:14	INFO	imstat::::	Values --- 
2026-02-05 17:15:14	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:14	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:14	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:14	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-02-05 17:15:14	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:14	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:14	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:14	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:15:14	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:14	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:14	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:14	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:14	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:14	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:14	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:14	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-02-05 17:15:14	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-02-05 17:15:14	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-02-05 17:15:14	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-02-05 17:15:14	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-02-05 17:15:14	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:14	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:14	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:14	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:14	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:14	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:14	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
2026-02-05 17:15:14	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:13.780148 End time: 2026-02-05 17:15:13.798419
2026-02-05 17:15:14	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:14	INFO	imstat::::casa	##########################################
2026-02-05 17:15:14	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:14	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:14	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.100000000deg' )
2026-02-05 17:15:14	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:14	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:14	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:14	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:14	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:14	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:14	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:14	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:14	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:14	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:14	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:14	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.100000000deg' successfully parsed
2026-02-05 17:15:14	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:14	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:14	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:13.810697 End time: 2026-02-05 17:15:14.159831
2026-02-05 17:15:14	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:14	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:14	INFO	tclean::::casa	##########################################
2026-02-05 17:15:14	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:14	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 )
2026-02-05 17:15:14	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:14	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:14	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:14	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:14	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:14	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:14	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:14	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:14	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:14	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:14	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:14	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:14	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:14	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.009936
2026-02-05 17:15:14	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:14	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:15	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:15	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:15	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:15	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:15	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:15	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:15	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:15	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:15	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:14.177052 End time: 2026-02-05 17:15:15.376888
2026-02-05 17:15:15	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:15	INFO	tclean::::casa	##########################################
2026-02-05 17:15:15	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:15	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:15	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)
2026-02-05 17:15:15	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:15	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:15 2026******
2026-02-05 17:15:15	INFO	ImageFitter::fit+	
2026-02-05 17:15:15	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:15	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:15	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:15	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:15	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:15	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:15	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:15	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:15	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:15	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:15	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)
2026-02-05 17:15:15	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:15	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:15	INFO	imstat::::casa	##########################################
2026-02-05 17:15:15	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:15	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 )
2026-02-05 17:15:15	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:15	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:15	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:15	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:15	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:15	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)
2026-02-05 17:15:15	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:15	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:15	INFO	imstat::::	Values --- 
2026-02-05 17:15:15	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:15	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:15	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:15	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-02-05 17:15:15	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:15	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:15	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:15	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:15:15	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:15	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:15	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:15	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:15	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:15	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:15	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:15	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-02-05 17:15:15	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-02-05 17:15:15	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-02-05 17:15:15	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-02-05 17:15:15	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-02-05 17:15:15	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:15	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:15	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:15	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:15	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:15	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:15	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
2026-02-05 17:15:15	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:15.449404 End time: 2026-02-05 17:15:15.476574
2026-02-05 17:15:15	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:15	INFO	imstat::::casa	##########################################
2026-02-05 17:15:15	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:15	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:15	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 0.699877030rad' )
2026-02-05 17:15:16	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:16	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:16	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:16	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:16	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:16	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:16	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:16	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:16	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:16	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:16	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:16	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 0.699877030rad' successfully parsed
2026-02-05 17:15:16	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:16	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:16	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:15.494376 End time: 2026-02-05 17:15:15.875328
2026-02-05 17:15:16	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:16	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:16	INFO	tclean::::casa	##########################################
2026-02-05 17:15:16	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:16	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 )
2026-02-05 17:15:16	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:16	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:16	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:16	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:16	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:16	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:16	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:16	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:16	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:16	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:16	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:16	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:16	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:16	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.014382
2026-02-05 17:15:16	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:16	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:16	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:15:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:17	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:17	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:17	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:17	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:17	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:17	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:15.908664 End time: 2026-02-05 17:15:17.417570
2026-02-05 17:15:17	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:17	INFO	tclean::::casa	##########################################
2026-02-05 17:15:17	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:17	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)
2026-02-05 17:15:17	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:17	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:17 2026******
2026-02-05 17:15:17	INFO	ImageFitter::fit+	
2026-02-05 17:15:17	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:17	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:17	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:17	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:17	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:17	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:17	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:17	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:17	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:17	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)
2026-02-05 17:15:17	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:17	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:17	INFO	imstat::::casa	##########################################
2026-02-05 17:15:17	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:17	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 )
2026-02-05 17:15:18	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:18	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:18	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:18	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:18	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:18	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)
2026-02-05 17:15:18	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:18	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:18	INFO	imstat::::	Values --- 
2026-02-05 17:15:18	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:18	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:18	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:18	INFO	imstat::::	         -- minimum value [min]:                    -7.77764e-05 Jy/beam
2026-02-05 17:15:18	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:18	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:15:18	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:18	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-02-05 17:15:18	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:18	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:18	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:18	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:18	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:18	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:18	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:18	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86664e-05 Jy/beam
2026-02-05 17:15:18	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-02-05 17:15:18	INFO	imstat::::	        -- IQR [quartile]:                          3.56255e-05 Jy/beam
2026-02-05 17:15:18	INFO	imstat::::	        -- First quartile [q1]:                     -3.45078e-05 Jy/beam
2026-02-05 17:15:18	INFO	imstat::::	        -- Third quartile [q3]:                     1.11764e-06 Jy/beam
2026-02-05 17:15:18	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:18	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:18	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:18	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:18	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:18	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:18	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
2026-02-05 17:15:18	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:17.493107 End time: 2026-02-05 17:15:17.519339
2026-02-05 17:15:18	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:18	INFO	imstat::::casa	##########################################
2026-02-05 17:15:18	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:18	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:18	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 19:53:50.0000 40d06m00' )
2026-02-05 17:15:18	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:18	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:18	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:18	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:18	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:18	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:18	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:18	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:18	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:18	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:18	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:18	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 40d06m00' successfully parsed
2026-02-05 17:15:18	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:18	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:18	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:17.535790 End time: 2026-02-05 17:15:17.970959
2026-02-05 17:15:18	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:18	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:18	INFO	tclean::::casa	##########################################
2026-02-05 17:15:18	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:18	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 )
2026-02-05 17:15:18	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:18	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:18	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:18	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:18	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:18	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:18	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:18	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:18	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:18	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:18	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:18	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:18	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:18	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.009995
2026-02-05 17:15:18	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:18	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:19	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:19	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:19	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:19	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:19	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:19	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:19	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:19	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:19	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:17.987967 End time: 2026-02-05 17:15:19.438394
2026-02-05 17:15:19	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:19	INFO	tclean::::casa	##########################################
2026-02-05 17:15:19	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:19	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:19	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)
2026-02-05 17:15:19	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:19	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:19 2026******
2026-02-05 17:15:19	INFO	ImageFitter::fit+	
2026-02-05 17:15:19	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:19	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:19	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:19	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:19	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:19	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:19	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:19	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:19	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:19	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:19	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)
2026-02-05 17:15:19	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:19	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:19	INFO	imstat::::casa	##########################################
2026-02-05 17:15:19	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:19	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 )
2026-02-05 17:15:19	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:19	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:19	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:19	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:19	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:19	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)
2026-02-05 17:15:19	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:19	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:19	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:19	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:19	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:19	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:19	INFO	imstat::::	Values --- 
2026-02-05 17:15:19	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:19	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:19	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:19	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-02-05 17:15:19	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:19	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:19	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:19	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:15:19	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:19	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:19	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:19	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:19	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:19	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:19	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:19	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-02-05 17:15:19	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-02-05 17:15:19	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-02-05 17:15:19	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-02-05 17:15:19	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-02-05 17:15:19	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:19	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:19	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:19	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:19	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:19	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:20	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
2026-02-05 17:15:20	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:19.483392 End time: 2026-02-05 17:15:19.501077
2026-02-05 17:15:20	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:20	INFO	imstat::::casa	##########################################
2026-02-05 17:15:20	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:20	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:20	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 02:40:24.0000' )
2026-02-05 17:15:20	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:20	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:20	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:20	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:20	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:20	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:20	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:20	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:20	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:20	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:20	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-02-05 17:15:20	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 02:40:24.0000' successfully parsed
2026-02-05 17:15:20	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:20	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:20	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:19.512746 End time: 2026-02-05 17:15:19.980658
2026-02-05 17:15:20	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:20	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:20	INFO	tclean::::casa	##########################################
2026-02-05 17:15:20	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:20	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 )
2026-02-05 17:15:20	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:20	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:20	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:20	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:20	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:20	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:20	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:20	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:20	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:20	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:20	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:20	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:20	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:20	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010007
2026-02-05 17:15:20	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:20	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:21	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:21	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:21	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:21	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:21	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:21	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:21	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:22	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:22	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:20.002931 End time: 2026-02-05 17:15:21.623402
2026-02-05 17:15:22	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:22	INFO	tclean::::casa	##########################################
2026-02-05 17:15:22	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:22	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:22	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)
2026-02-05 17:15:22	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:22	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:22 2026******
2026-02-05 17:15:22	INFO	ImageFitter::fit+	
2026-02-05 17:15:22	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:22	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:22	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:22	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:22	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:22	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:22	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:22	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:22	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:22	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:22	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)
2026-02-05 17:15:22	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:22	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:22	INFO	imstat::::casa	##########################################
2026-02-05 17:15:22	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:22	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 )
2026-02-05 17:15:22	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:22	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:22	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:22	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:22	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:22	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)
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:22	INFO	imstat::::	Values --- 
2026-02-05 17:15:22	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:22	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:22	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:22	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-02-05 17:15:22	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:22	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:22	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:22	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:15:22	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:22	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:22	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:22	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:22	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:22	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:22	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:22	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-02-05 17:15:22	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-02-05 17:15:22	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-02-05 17:15:22	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-02-05 17:15:22	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:22	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777660e-05  4.999996e+00
2026-02-05 17:15:22	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:21.692341 End time: 2026-02-05 17:15:21.717649
2026-02-05 17:15:22	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:22	INFO	imstat::::casa	##########################################
2026-02-05 17:15:22	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:22	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:22	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 40.100000000deg' )
2026-02-05 17:15:22	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:22	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:22	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:22	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:22	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:22	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:22	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:22	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:22	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:22	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:22	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:22	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 40.100000000deg' successfully parsed
2026-02-05 17:15:22	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:22	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:22	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:21.733577 End time: 2026-02-05 17:15:22.139960
2026-02-05 17:15:22	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:22	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:22	INFO	tclean::::casa	##########################################
2026-02-05 17:15:22	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:22	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 )
2026-02-05 17:15:22	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:22	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:22	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:22	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:22	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:22	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:22	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:22	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:22	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:22	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:22	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:22	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.009834
2026-02-05 17:15:22	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:22	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:23	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:23	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:23	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:23	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:23	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:23	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:23	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:23	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:24	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:22.156915 End time: 2026-02-05 17:15:23.546611
2026-02-05 17:15:24	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:24	INFO	tclean::::casa	##########################################
2026-02-05 17:15:24	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:24	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:24	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)
2026-02-05 17:15:24	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:24	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:24 2026******
2026-02-05 17:15:24	INFO	ImageFitter::fit+	
2026-02-05 17:15:24	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:24	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:24	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:24	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:24	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:24	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:24	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:24	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:24	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:24	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:24	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)
2026-02-05 17:15:24	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:24	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:24	INFO	imstat::::casa	##########################################
2026-02-05 17:15:24	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:24	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 )
2026-02-05 17:15:24	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:24	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:24	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:24	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:24	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:24	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)
2026-02-05 17:15:24	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:24	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:24	INFO	imstat::::	Values --- 
2026-02-05 17:15:24	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:24	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:24	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:24	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-02-05 17:15:24	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:24	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:24	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:24	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:15:24	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:24	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:24	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:24	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:24	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:24	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:24	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:24	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-02-05 17:15:24	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-02-05 17:15:24	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-02-05 17:15:24	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-02-05 17:15:24	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-02-05 17:15:24	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:24	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:24	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:24	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:24	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:24	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:24	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
2026-02-05 17:15:24	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:23.587870 End time: 2026-02-05 17:15:23.605053
2026-02-05 17:15:24	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:24	INFO	imstat::::casa	##########################################
2026-02-05 17:15:24	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:24	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:24	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' )
2026-02-05 17:15:24	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:24	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:24	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:24	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:24	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:24	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:24	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:24	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:24	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:24	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:24	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:24	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 0.699877030rad' successfully parsed
2026-02-05 17:15:24	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:24	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:24	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:23.616408 End time: 2026-02-05 17:15:24.035783
2026-02-05 17:15:24	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:24	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:24	INFO	tclean::::casa	##########################################
2026-02-05 17:15:24	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:24	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 )
2026-02-05 17:15:24	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:24	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:24	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:24	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:24	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:24	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:24	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:24	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:24	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:24	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:24	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:24	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:24	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:24	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010635
2026-02-05 17:15:24	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:24	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:25	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:25	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:25	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:15:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:25	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:25	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:25	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:25	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:25	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:25	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:24.053291 End time: 2026-02-05 17:15:25.357962
2026-02-05 17:15:25	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:25	INFO	tclean::::casa	##########################################
2026-02-05 17:15:25	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:25	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:25	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-02-05 17:15:25	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:25	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:25 2026******
2026-02-05 17:15:25	INFO	ImageFitter::fit+	
2026-02-05 17:15:25	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:25	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:25	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:25	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:25	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:25	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:25	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:25	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:25	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:25	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:25	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-02-05 17:15:25	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:25	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:25	INFO	imstat::::casa	##########################################
2026-02-05 17:15:25	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:25	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-02-05 17:15:25	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:25	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:25	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:25	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:25	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:25	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-02-05 17:15:25	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:25	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:25	INFO	imstat::::	Values --- 
2026-02-05 17:15:25	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:25	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:25	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:25	INFO	imstat::::	         -- minimum value [min]:                    -7.77764e-05 Jy/beam
2026-02-05 17:15:25	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:25	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:15:25	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:25	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-02-05 17:15:25	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:25	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:25	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:25	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:25	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:25	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:25	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:25	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86664e-05 Jy/beam
2026-02-05 17:15:25	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-02-05 17:15:25	INFO	imstat::::	        -- IQR [quartile]:                          3.56255e-05 Jy/beam
2026-02-05 17:15:25	INFO	imstat::::	        -- First quartile [q1]:                     -3.45078e-05 Jy/beam
2026-02-05 17:15:25	INFO	imstat::::	        -- Third quartile [q3]:                     1.11764e-06 Jy/beam
2026-02-05 17:15:25	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:25	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:25	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:25	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:25	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:25	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:25	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
2026-02-05 17:15:25	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:25.395345 End time: 2026-02-05 17:15:25.412725
2026-02-05 17:15:25	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:25	INFO	imstat::::casa	##########################################
2026-02-05 17:15:25	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:25	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:25	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40d06m00' )
2026-02-05 17:15:25	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:25	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:25	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:25	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:25	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:25	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:25	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:25	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:25	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:25	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:26	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:26	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 40d06m00' successfully parsed
2026-02-05 17:15:26	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:26	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:26	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:25.424078 End time: 2026-02-05 17:15:25.790045
2026-02-05 17:15:26	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:26	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:26	INFO	tclean::::casa	##########################################
2026-02-05 17:15:26	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:26	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 )
2026-02-05 17:15:26	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:26	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:26	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:26	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:26	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:26	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:26	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:26	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:26	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:26	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:26	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:26	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:26	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:26	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.00984
2026-02-05 17:15:26	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:26	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:26	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:26	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:26	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:15:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:27	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:27	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:27	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:27	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:27	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:27	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:25.821338 End time: 2026-02-05 17:15:27.085043
2026-02-05 17:15:27	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:27	INFO	tclean::::casa	##########################################
2026-02-05 17:15:27	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:27	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:27	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)
2026-02-05 17:15:27	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:27	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:27 2026******
2026-02-05 17:15:27	INFO	ImageFitter::fit+	
2026-02-05 17:15:27	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:27	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:27	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:27	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:27	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:27	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:27	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:27	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:27	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:27	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:27	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)
2026-02-05 17:15:27	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:27	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:27	INFO	imstat::::casa	##########################################
2026-02-05 17:15:27	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:27	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 )
2026-02-05 17:15:27	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:27	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:27	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:27	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:27	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:27	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)
2026-02-05 17:15:27	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:27	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:27	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:27	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:27	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:27	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:27	INFO	imstat::::	Values --- 
2026-02-05 17:15:27	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:27	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:27	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:27	INFO	imstat::::	         -- minimum value [min]:                    -7.77758e-05 Jy/beam
2026-02-05 17:15:27	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:27	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:27	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:27	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:15:27	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:27	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:27	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:27	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:27	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:27	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:27	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:27	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86641e-05 Jy/beam
2026-02-05 17:15:27	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-02-05 17:15:27	INFO	imstat::::	        -- IQR [quartile]:                          3.56208e-05 Jy/beam
2026-02-05 17:15:27	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-02-05 17:15:27	INFO	imstat::::	        -- Third quartile [q3]:                     1.11336e-06 Jy/beam
2026-02-05 17:15:27	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:27	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:27	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:27	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:27	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:27	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:27	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
2026-02-05 17:15:27	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:27.124213 End time: 2026-02-05 17:15:27.142484
2026-02-05 17:15:27	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:27	INFO	imstat::::casa	##########################################
2026-02-05 17:15:27	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:27	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:27	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' )
2026-02-05 17:15:27	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:27	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:27	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:27	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:27	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:27	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:27	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:27	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:27	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:27	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:27	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 ".".
2026-02-05 17:15:27	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 02:40:24.0000' successfully parsed
2026-02-05 17:15:27	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:28	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:28	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:27.154066 End time: 2026-02-05 17:15:27.557078
2026-02-05 17:15:28	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:28	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:28	INFO	tclean::::casa	##########################################
2026-02-05 17:15:28	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:28	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 )
2026-02-05 17:15:28	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:28	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:28	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:28	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:28	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:28	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:28	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:28	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:28	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:28	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:28	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:28	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.009804
2026-02-05 17:15:28	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:28	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:28	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:28	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:28	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:15:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:29	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:29	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:29	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:29	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:29	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:29	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:27.574270 End time: 2026-02-05 17:15:28.745045
2026-02-05 17:15:29	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:29	INFO	tclean::::casa	##########################################
2026-02-05 17:15:29	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:29	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:29	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)
2026-02-05 17:15:29	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:29	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:29 2026******
2026-02-05 17:15:29	INFO	ImageFitter::fit+	
2026-02-05 17:15:29	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:29	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:29	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:29	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:29	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:29	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:29	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:29	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:29	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:29	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:29	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)
2026-02-05 17:15:29	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:29	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:29	INFO	imstat::::casa	##########################################
2026-02-05 17:15:29	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:29	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 )
2026-02-05 17:15:29	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:29	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:29	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:29	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:29	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:29	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)
2026-02-05 17:15:29	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:29	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:29	INFO	imstat::::	Values --- 
2026-02-05 17:15:29	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:29	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:29	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:29	INFO	imstat::::	         -- minimum value [min]:                    -7.77758e-05 Jy/beam
2026-02-05 17:15:29	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:29	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:29	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:29	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:15:29	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:29	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:29	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:29	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:29	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:29	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:29	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:29	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86641e-05 Jy/beam
2026-02-05 17:15:29	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-02-05 17:15:29	INFO	imstat::::	        -- IQR [quartile]:                          3.56208e-05 Jy/beam
2026-02-05 17:15:29	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-02-05 17:15:29	INFO	imstat::::	        -- Third quartile [q3]:                     1.11336e-06 Jy/beam
2026-02-05 17:15:29	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:29	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:29	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:29	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:29	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:29	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:29	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
2026-02-05 17:15:29	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:28.782407 End time: 2026-02-05 17:15:28.800066
2026-02-05 17:15:29	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:29	INFO	imstat::::casa	##########################################
2026-02-05 17:15:29	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:29	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:29	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 40.100000000deg' )
2026-02-05 17:15:29	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:29	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:29	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:29	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:29	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:29	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:29	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:29	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:29	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:29	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:29	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:29	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 40.100000000deg' successfully parsed
2026-02-05 17:15:29	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:29	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:29	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:28.811326 End time: 2026-02-05 17:15:29.137327
2026-02-05 17:15:29	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:29	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:29	INFO	tclean::::casa	##########################################
2026-02-05 17:15:29	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:29	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:15:29	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:29	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:29	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:29	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:29	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:29	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:29	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:29	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:29	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:29	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:29	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:29	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:29	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:29	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.009892
2026-02-05 17:15:29	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:29	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:30	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:30	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:30	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:15:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:30	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:30	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:30	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:30	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:30	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:30	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:29.154338 End time: 2026-02-05 17:15:30.335273
2026-02-05 17:15:30	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:30	INFO	tclean::::casa	##########################################
2026-02-05 17:15:30	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:30	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)
2026-02-05 17:15:30	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:30	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:30 2026******
2026-02-05 17:15:30	INFO	ImageFitter::fit+	
2026-02-05 17:15:30	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:30	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:30	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:30	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:30	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:30	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:30	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:30	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:30	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:30	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)
2026-02-05 17:15:30	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:30	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:30	INFO	imstat::::casa	##########################################
2026-02-05 17:15:30	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:30	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 )
2026-02-05 17:15:30	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:30	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:30	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:30	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:30	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:30	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)
2026-02-05 17:15:30	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:30	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:30	INFO	imstat::::	Values --- 
2026-02-05 17:15:30	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:30	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:30	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:30	INFO	imstat::::	         -- minimum value [min]:                    -7.77758e-05 Jy/beam
2026-02-05 17:15:30	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:30	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:30	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:30	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:15:30	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:30	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:30	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:30	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:30	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:30	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:30	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:30	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86641e-05 Jy/beam
2026-02-05 17:15:30	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-02-05 17:15:30	INFO	imstat::::	        -- IQR [quartile]:                          3.56208e-05 Jy/beam
2026-02-05 17:15:30	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-02-05 17:15:30	INFO	imstat::::	        -- Third quartile [q3]:                     1.11336e-06 Jy/beam
2026-02-05 17:15:30	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:30	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:30	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:30	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:30	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:30	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:30	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
2026-02-05 17:15:30	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:30.376000 End time: 2026-02-05 17:15:30.394348
2026-02-05 17:15:30	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:30	INFO	imstat::::casa	##########################################
2026-02-05 17:15:30	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:30	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:30	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 0.699877030rad' )
2026-02-05 17:15:30	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:30	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:30	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:30	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:30	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:30	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:30	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:30	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:30	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:30	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:31	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:31	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 0.699877030rad' successfully parsed
2026-02-05 17:15:31	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:31	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:31	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:30.406667 End time: 2026-02-05 17:15:30.787709
2026-02-05 17:15:31	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:31	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:31	INFO	tclean::::casa	##########################################
2026-02-05 17:15:31	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:31	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:15:31	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:31	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:31	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:31	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:31	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:31	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:31	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:31	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:31	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:31	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:31	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:31	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:31	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:31	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.017343
2026-02-05 17:15:31	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:31	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:31	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:31	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:31	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:31	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:31	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:15:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:32	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:32	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:32	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:32	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:32	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:32	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:30.823469 End time: 2026-02-05 17:15:32.242632
2026-02-05 17:15:32	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:32	INFO	tclean::::casa	##########################################
2026-02-05 17:15:32	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:32	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:32	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)
2026-02-05 17:15:32	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:32	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:32 2026******
2026-02-05 17:15:32	INFO	ImageFitter::fit+	
2026-02-05 17:15:32	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:32	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:32	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:32	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:32	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:32	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:32	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:32	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:32	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:32	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:32	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)
2026-02-05 17:15:32	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126487 Jy
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:32	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:32	INFO	imstat::::casa	##########################################
2026-02-05 17:15:32	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:32	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 )
2026-02-05 17:15:32	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:32	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:32	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:32	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:32	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:32	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)
2026-02-05 17:15:32	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:32	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:32	INFO	imstat::::	Values --- 
2026-02-05 17:15:32	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:32	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:32	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:32	INFO	imstat::::	         -- minimum value [min]:                    -7.77738e-05 Jy/beam
2026-02-05 17:15:32	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:32	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:32	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:32	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:15:32	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:32	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:32	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:32	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:32	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:32	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:32	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:32	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86662e-05 Jy/beam
2026-02-05 17:15:32	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73577e-05 Jy/beam
2026-02-05 17:15:32	INFO	imstat::::	        -- IQR [quartile]:                          3.56242e-05 Jy/beam
2026-02-05 17:15:32	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-02-05 17:15:32	INFO	imstat::::	        -- Third quartile [q3]:                     1.11673e-06 Jy/beam
2026-02-05 17:15:32	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:32	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:32	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:32	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:32	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:32	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:32	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
2026-02-05 17:15:32	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:32.302841 End time: 2026-02-05 17:15:32.325973
2026-02-05 17:15:32	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:32	INFO	imstat::::casa	##########################################
2026-02-05 17:15:32	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:32	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:32	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40d06m00' )
2026-02-05 17:15:32	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:32	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:32	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:32	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:32	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:32	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:32	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:32	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:32	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:32	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:33	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:33	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 40d06m00' successfully parsed
2026-02-05 17:15:33	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:33	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:33	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:32.340427 End time: 2026-02-05 17:15:32.699346
2026-02-05 17:15:33	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:33	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:33	INFO	tclean::::casa	##########################################
2026-02-05 17:15:33	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:33	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 )
2026-02-05 17:15:33	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:33	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:33	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:33	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:33	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:33	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:33	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:33	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:33	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:33	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:33	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:33	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:33	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:33	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010731
2026-02-05 17:15:33	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:33	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:33	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:33	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:33	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:34	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:34	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:34	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:34	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:34	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:34	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:32.726748 End time: 2026-02-05 17:15:34.112830
2026-02-05 17:15:34	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:34	INFO	tclean::::casa	##########################################
2026-02-05 17:15:34	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:34	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)
2026-02-05 17:15:34	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:34	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:34 2026******
2026-02-05 17:15:34	INFO	ImageFitter::fit+	
2026-02-05 17:15:34	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:34	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:34	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:34	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:34	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:34	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:34	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:34	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:34	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:34	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)
2026-02-05 17:15:34	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:34	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:34	INFO	imstat::::casa	##########################################
2026-02-05 17:15:34	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:34	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 )
2026-02-05 17:15:34	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:34	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:34	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:34	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:34	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:34	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)
2026-02-05 17:15:34	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:34	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:34	INFO	imstat::::	Values --- 
2026-02-05 17:15:34	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:34	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:34	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:34	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-02-05 17:15:34	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:34	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:15:34	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:34	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-02-05 17:15:34	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:34	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:34	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:34	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:34	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:34	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:34	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:34	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86723e-05 Jy/beam
2026-02-05 17:15:34	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam
2026-02-05 17:15:34	INFO	imstat::::	        -- IQR [quartile]:                          3.55964e-05 Jy/beam
2026-02-05 17:15:34	INFO	imstat::::	        -- First quartile [q1]:                     -3.45025e-05 Jy/beam
2026-02-05 17:15:34	INFO	imstat::::	        -- Third quartile [q3]:                     1.09391e-06 Jy/beam
2026-02-05 17:15:34	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:34	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:34	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:34	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:34	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:34	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:34	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
2026-02-05 17:15:34	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:34.184950 End time: 2026-02-05 17:15:34.211038
2026-02-05 17:15:34	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:34	INFO	imstat::::casa	##########################################
2026-02-05 17:15:34	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:34	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:34	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 02:40:24.0000' )
2026-02-05 17:15:34	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:34	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:34	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:34	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:34	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:34	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:34	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:34	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:34	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:34	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:34	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 ".".
2026-02-05 17:15:34	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 02:40:24.0000' successfully parsed
2026-02-05 17:15:34	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:35	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:35	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:34.228060 End time: 2026-02-05 17:15:34.675643
2026-02-05 17:15:35	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:35	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:35	INFO	tclean::::casa	##########################################
2026-02-05 17:15:35	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:35	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 )
2026-02-05 17:15:35	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:35	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:35	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:35	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:35	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:35	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:35	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:35	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:35	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:35	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:35	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:35	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:35	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:35	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025473
2026-02-05 17:15:35	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:35	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:35	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:35	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:35	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:35	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:35	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:36	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:36	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:36	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:36	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:36	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:36	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:34.693026 End time: 2026-02-05 17:15:36.121830
2026-02-05 17:15:36	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:36	INFO	tclean::::casa	##########################################
2026-02-05 17:15:36	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:36	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:36	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)
2026-02-05 17:15:36	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:36	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:36 2026******
2026-02-05 17:15:36	INFO	ImageFitter::fit+	
2026-02-05 17:15:36	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:36	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:36	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:36	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:36	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:36	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:36	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:36	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:36	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:36	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:36	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)
2026-02-05 17:15:36	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:36	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:36	INFO	imstat::::casa	##########################################
2026-02-05 17:15:36	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:36	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 )
2026-02-05 17:15:36	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:36	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:36	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:36	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:36	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:36	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)
2026-02-05 17:15:36	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:36	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:36	INFO	imstat::::	Values --- 
2026-02-05 17:15:36	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:36	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:36	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:36	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-02-05 17:15:36	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:36	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:15:36	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:36	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-02-05 17:15:36	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:36	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:36	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:36	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:36	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:36	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:36	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:36	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86723e-05 Jy/beam
2026-02-05 17:15:36	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam
2026-02-05 17:15:36	INFO	imstat::::	        -- IQR [quartile]:                          3.55964e-05 Jy/beam
2026-02-05 17:15:36	INFO	imstat::::	        -- First quartile [q1]:                     -3.45025e-05 Jy/beam
2026-02-05 17:15:36	INFO	imstat::::	        -- Third quartile [q3]:                     1.09391e-06 Jy/beam
2026-02-05 17:15:36	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:36	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:36	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:36	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:36	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:36	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:36	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
2026-02-05 17:15:36	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:36.160536 End time: 2026-02-05 17:15:36.179141
2026-02-05 17:15:36	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:36	INFO	imstat::::casa	##########################################
2026-02-05 17:15:36	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:36	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:36	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 5.209080597rad 40.100000000deg' )
2026-02-05 17:15:36	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:36	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:36	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:36	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:36	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:36	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:36	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:36	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:36	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:36	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:36	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:36	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 40.100000000deg' successfully parsed
2026-02-05 17:15:36	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:37	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:37	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:36.190644 End time: 2026-02-05 17:15:36.567590
2026-02-05 17:15:37	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:37	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:37	INFO	tclean::::casa	##########################################
2026-02-05 17:15:37	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:37	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 )
2026-02-05 17:15:37	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:37	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:37	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:37	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:37	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:37	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:37	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:37	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:37	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:37	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:37	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:37	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:37	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:37	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.009865
2026-02-05 17:15:37	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:37	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:37	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:37	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:37	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:38	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:38	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:38	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:38	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:38	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:38	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:36.585639 End time: 2026-02-05 17:15:37.889208
2026-02-05 17:15:38	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:38	INFO	tclean::::casa	##########################################
2026-02-05 17:15:38	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:38	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:38	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)
2026-02-05 17:15:38	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:38	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:38 2026******
2026-02-05 17:15:38	INFO	ImageFitter::fit+	
2026-02-05 17:15:38	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:38	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:38	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:38	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:38	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:38	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:38	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:38	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:38	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:38	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:38	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)
2026-02-05 17:15:38	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:38	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:38	INFO	imstat::::casa	##########################################
2026-02-05 17:15:38	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:38	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 )
2026-02-05 17:15:38	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:38	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:38	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:38	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:38	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:38	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)
2026-02-05 17:15:38	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:38	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:38	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:38	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:38	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:38	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:38	INFO	imstat::::	Values --- 
2026-02-05 17:15:38	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:38	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:38	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:38	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-02-05 17:15:38	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:38	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:15:38	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:38	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-02-05 17:15:38	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:38	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:38	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:38	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:38	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:38	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:38	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:38	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86723e-05 Jy/beam
2026-02-05 17:15:38	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam
2026-02-05 17:15:38	INFO	imstat::::	        -- IQR [quartile]:                          3.55964e-05 Jy/beam
2026-02-05 17:15:38	INFO	imstat::::	        -- First quartile [q1]:                     -3.45025e-05 Jy/beam
2026-02-05 17:15:38	INFO	imstat::::	        -- Third quartile [q3]:                     1.09391e-06 Jy/beam
2026-02-05 17:15:38	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:38	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:38	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:38	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:38	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:38	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:38	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
2026-02-05 17:15:38	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:37.964354 End time: 2026-02-05 17:15:37.990338
2026-02-05 17:15:38	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:38	INFO	imstat::::casa	##########################################
2026-02-05 17:15:38	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:38	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:38	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 0.699877030rad' )
2026-02-05 17:15:38	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:38	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:38	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:38	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:38	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:38	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:38	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:38	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:38	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:38	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:38	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:38	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 0.699877030rad' successfully parsed
2026-02-05 17:15:38	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:38	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:38	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:38.006948 End time: 2026-02-05 17:15:38.436289
2026-02-05 17:15:38	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:38	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:38	INFO	tclean::::casa	##########################################
2026-02-05 17:15:38	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:38	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 )
2026-02-05 17:15:38	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:38	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:38	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:39	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:39	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:39	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:39	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:39	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:39	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:39	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:39	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:39	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:39	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:39	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.015005
2026-02-05 17:15:39	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:39	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:39	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:39	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:39	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:15:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:40	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:40	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:40	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:40	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:40	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:40	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:38.453266 End time: 2026-02-05 17:15:39.987243
2026-02-05 17:15:40	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:40	INFO	tclean::::casa	##########################################
2026-02-05 17:15:40	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:40	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:40	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)
2026-02-05 17:15:40	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:40	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:40 2026******
2026-02-05 17:15:40	INFO	ImageFitter::fit+	
2026-02-05 17:15:40	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:40	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:40	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:40	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:40	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:40	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:40	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:40	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:40	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:40	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:40	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)
2026-02-05 17:15:40	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:40	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:40	INFO	imstat::::casa	##########################################
2026-02-05 17:15:40	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:40	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 )
2026-02-05 17:15:40	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:40	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:40	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:40	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:40	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:40	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)
2026-02-05 17:15:40	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:40	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:40	INFO	imstat::::	Values --- 
2026-02-05 17:15:40	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:40	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:40	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:40	INFO	imstat::::	         -- minimum value [min]:                    -7.77793e-05 Jy/beam
2026-02-05 17:15:40	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:40	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:15:40	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:40	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-02-05 17:15:40	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:40	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:40	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:40	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:40	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:40	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:40	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:40	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86714e-05 Jy/beam
2026-02-05 17:15:40	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73592e-05 Jy/beam
2026-02-05 17:15:40	INFO	imstat::::	        -- IQR [quartile]:                          3.55982e-05 Jy/beam
2026-02-05 17:15:40	INFO	imstat::::	        -- First quartile [q1]:                     -3.45035e-05 Jy/beam
2026-02-05 17:15:40	INFO	imstat::::	        -- Third quartile [q3]:                     1.09469e-06 Jy/beam
2026-02-05 17:15:40	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:40	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:40	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:40	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:40	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:40	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:40	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
2026-02-05 17:15:40	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:40.028150 End time: 2026-02-05 17:15:40.049291
2026-02-05 17:15:40	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:40	INFO	imstat::::casa	##########################################
2026-02-05 17:15:40	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:40	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:40	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 40d06m0.0019' )
2026-02-05 17:15:40	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:40	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:40	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:40	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:40	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:40	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:40	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:40	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:40	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:40	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:40	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:40	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 40d06m0.0019' successfully parsed
2026-02-05 17:15:40	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:40	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:40	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:40.062203 End time: 2026-02-05 17:15:40.458769
2026-02-05 17:15:40	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:40	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:40	INFO	tclean::::casa	##########################################
2026-02-05 17:15:40	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:40	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 )
2026-02-05 17:15:40	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:40	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:40	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:41	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:41	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:41	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:41	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:41	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:41	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:41	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:41	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:41	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:41	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:41	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010539
2026-02-05 17:15:41	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:41	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:41	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:41	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:41	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:42	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:42	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:42	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:42	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:42	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:42	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:40.481593 End time: 2026-02-05 17:15:41.862661
2026-02-05 17:15:42	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:42	INFO	tclean::::casa	##########################################
2026-02-05 17:15:42	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:42	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:42	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)
2026-02-05 17:15:42	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:42	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:42 2026******
2026-02-05 17:15:42	INFO	ImageFitter::fit+	
2026-02-05 17:15:42	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:42	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:42	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:42	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:42	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:42	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:42	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:42	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:42	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:42	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:42	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)
2026-02-05 17:15:42	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:42	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:42	INFO	imstat::::casa	##########################################
2026-02-05 17:15:42	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:42	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 )
2026-02-05 17:15:42	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:42	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:42	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:42	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:42	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:42	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)
2026-02-05 17:15:42	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:42	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:42	INFO	imstat::::	Values --- 
2026-02-05 17:15:42	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:42	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:42	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:42	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-02-05 17:15:42	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:42	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:42	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:42	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-02-05 17:15:42	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:42	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:42	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:42	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:42	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:42	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:42	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:42	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86712e-05 Jy/beam
2026-02-05 17:15:42	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam
2026-02-05 17:15:42	INFO	imstat::::	        -- IQR [quartile]:                          3.56293e-05 Jy/beam
2026-02-05 17:15:42	INFO	imstat::::	        -- First quartile [q1]:                     -3.45095e-05 Jy/beam
2026-02-05 17:15:42	INFO	imstat::::	        -- Third quartile [q3]:                     1.1198e-06 Jy/beam
2026-02-05 17:15:42	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:42	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:42	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:42	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:42	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:42	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:42	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
2026-02-05 17:15:42	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:41.908550 End time: 2026-02-05 17:15:41.926944
2026-02-05 17:15:42	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:42	INFO	imstat::::casa	##########################################
2026-02-05 17:15:42	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:42	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:42	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 02:40:24.0001' )
2026-02-05 17:15:42	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:42	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:42	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:42	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:42	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:42	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:42	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:42	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:42	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:42	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:42	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 ".".
2026-02-05 17:15:42	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 02:40:24.0001' successfully parsed
2026-02-05 17:15:42	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:42	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:42	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:41.938435 End time: 2026-02-05 17:15:42.305972
2026-02-05 17:15:42	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:42	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:42	INFO	tclean::::casa	##########################################
2026-02-05 17:15:42	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:42	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 )
2026-02-05 17:15:42	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:42	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:42	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:42	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:42	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:42	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:42	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:42	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:42	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:42	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:42	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:42	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:43	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:43	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020835
2026-02-05 17:15:43	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:43	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:43	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:43	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:43	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:15:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:44	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:44	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:44	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:44	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:44	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:44	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:44	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:42.324014 End time: 2026-02-05 17:15:43.852631
2026-02-05 17:15:44	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:44	INFO	tclean::::casa	##########################################
2026-02-05 17:15:44	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:44	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:44	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)
2026-02-05 17:15:44	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:44	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:44 2026******
2026-02-05 17:15:44	INFO	ImageFitter::fit+	
2026-02-05 17:15:44	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:44	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:44	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:44	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:44	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:44	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:44	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:44	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:44	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:44	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:44	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996)
2026-02-05 17:15:44	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116891 Jy
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126504 Jy
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:44	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:44	INFO	imstat::::casa	##########################################
2026-02-05 17:15:44	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:44	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 )
2026-02-05 17:15:44	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:44	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:44	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:44	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:44	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:44	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)
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:44	INFO	imstat::::	Values --- 
2026-02-05 17:15:44	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:44	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:44	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:44	INFO	imstat::::	         -- minimum value [min]:                    -7.78094e-05 Jy/beam
2026-02-05 17:15:44	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:44	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:15:44	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:44	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-02-05 17:15:44	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:44	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:44	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:44	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:44	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:44	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:44	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:44	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86846e-05 Jy/beam
2026-02-05 17:15:44	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam
2026-02-05 17:15:44	INFO	imstat::::	        -- IQR [quartile]:                          3.56505e-05 Jy/beam
2026-02-05 17:15:44	INFO	imstat::::	        -- First quartile [q1]:                     -3.45202e-05 Jy/beam
2026-02-05 17:15:44	INFO	imstat::::	        -- Third quartile [q3]:                     1.13024e-06 Jy/beam
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:44	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.780943e-05  4.999996e+00
2026-02-05 17:15:44	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:43.916090 End time: 2026-02-05 17:15:43.940588
2026-02-05 17:15:44	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:44	INFO	imstat::::casa	##########################################
2026-02-05 17:15:44	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:44	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:44	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40.100000528deg' )
2026-02-05 17:15:44	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:44	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:44	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:44	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:44	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:44	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:44	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:44	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:44	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:44	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:44	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:44	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 40.100000528deg' successfully parsed
2026-02-05 17:15:44	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:44	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:44	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:43.955459 End time: 2026-02-05 17:15:44.373079
2026-02-05 17:15:44	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:44	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:44	INFO	tclean::::casa	##########################################
2026-02-05 17:15:44	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:44	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 )
2026-02-05 17:15:44	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:44	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:44	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:44	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:44	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:44	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:44	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:44	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:44	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:44	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:44	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:44	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:45	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:45	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.011078
2026-02-05 17:15:45	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:45	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:45	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:45	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:45	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:45	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:45	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:45	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:46	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:46	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:46	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:44.390202 End time: 2026-02-05 17:15:45.621363
2026-02-05 17:15:46	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:46	INFO	tclean::::casa	##########################################
2026-02-05 17:15:46	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:46	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:46	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)
2026-02-05 17:15:46	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:46	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:46 2026******
2026-02-05 17:15:46	INFO	ImageFitter::fit+	
2026-02-05 17:15:46	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:46	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:46	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:46	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:46	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:46	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:46	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:46	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:46	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:46	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:46	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)
2026-02-05 17:15:46	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116876 Jy
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:46	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:46	INFO	imstat::::casa	##########################################
2026-02-05 17:15:46	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:46	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 )
2026-02-05 17:15:46	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:46	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:46	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:46	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:46	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:46	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)
2026-02-05 17:15:46	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:46	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:46	INFO	imstat::::	Values --- 
2026-02-05 17:15:46	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:46	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:46	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:46	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-02-05 17:15:46	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:46	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:46	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:46	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-02-05 17:15:46	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:46	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:46	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:46	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:46	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:46	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:46	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:46	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-02-05 17:15:46	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam
2026-02-05 17:15:46	INFO	imstat::::	        -- IQR [quartile]:                          3.56311e-05 Jy/beam
2026-02-05 17:15:46	INFO	imstat::::	        -- First quartile [q1]:                     -3.45119e-05 Jy/beam
2026-02-05 17:15:46	INFO	imstat::::	        -- Third quartile [q3]:                     1.11928e-06 Jy/beam
2026-02-05 17:15:46	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:46	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:46	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:46	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:46	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:46	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:46	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
2026-02-05 17:15:46	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:45.661263 End time: 2026-02-05 17:15:45.679971
2026-02-05 17:15:46	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:46	INFO	imstat::::casa	##########################################
2026-02-05 17:15:46	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:46	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:46	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 19h53m49.9980 0.699877039rad' )
2026-02-05 17:15:46	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:46	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:46	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:46	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:46	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:46	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:46	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:46	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:46	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:46	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:46	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:46	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 0.699877039rad' successfully parsed
2026-02-05 17:15:46	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:46	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:46	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:45.691720 End time: 2026-02-05 17:15:46.112230
2026-02-05 17:15:46	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:46	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:46	INFO	tclean::::casa	##########################################
2026-02-05 17:15:46	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:46	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 )
2026-02-05 17:15:46	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:46	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:46	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:46	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:46	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:46	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:46	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:46	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:46	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:46	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:46	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:46	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:46	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:46	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.009858
2026-02-05 17:15:46	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:46	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:47	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:47	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:47	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:47	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:48	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:48	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:48	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:46.130935 End time: 2026-02-05 17:15:47.642342
2026-02-05 17:15:48	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:48	INFO	tclean::::casa	##########################################
2026-02-05 17:15:48	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:48	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:48	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)
2026-02-05 17:15:48	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:48	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:48 2026******
2026-02-05 17:15:48	INFO	ImageFitter::fit+	
2026-02-05 17:15:48	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:48	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:48	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:48	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:48	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:48	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:48	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:48	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:48	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:48	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:48	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)
2026-02-05 17:15:48	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:48	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:48	INFO	imstat::::casa	##########################################
2026-02-05 17:15:48	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:48	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 )
2026-02-05 17:15:48	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:48	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:48	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:48	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:48	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:48	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)
2026-02-05 17:15:48	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:48	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:48	INFO	imstat::::	Values --- 
2026-02-05 17:15:48	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:48	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:48	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:48	INFO	imstat::::	         -- minimum value [min]:                    -7.77867e-05 Jy/beam
2026-02-05 17:15:48	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:48	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:48	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:48	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-02-05 17:15:48	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:48	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:48	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:48	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:48	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:48	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:48	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:48	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86761e-05 Jy/beam
2026-02-05 17:15:48	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam
2026-02-05 17:15:48	INFO	imstat::::	        -- IQR [quartile]:                          3.56319e-05 Jy/beam
2026-02-05 17:15:48	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-02-05 17:15:48	INFO	imstat::::	        -- Third quartile [q3]:                     1.11659e-06 Jy/beam
2026-02-05 17:15:48	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:48	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:48	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:48	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:48	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:48	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:48	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
2026-02-05 17:15:48	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:47.700394 End time: 2026-02-05 17:15:47.723323
2026-02-05 17:15:48	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:48	INFO	imstat::::casa	##########################################
2026-02-05 17:15:48	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:48	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:48	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40d06m0.0019' )
2026-02-05 17:15:48	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:48	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:48	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:48	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:48	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:48	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:48	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:48	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:48	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:48	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:48	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:48	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 40d06m0.0019' successfully parsed
2026-02-05 17:15:48	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:48	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:48	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:47.737233 End time: 2026-02-05 17:15:48.157661
2026-02-05 17:15:48	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:48	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:48	INFO	tclean::::casa	##########################################
2026-02-05 17:15:48	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:48	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 )
2026-02-05 17:15:48	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:48	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:48	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:48	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:48	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:48	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:48	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:48	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:48	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:48	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:48	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:48	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:48	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:48	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.015086
2026-02-05 17:15:48	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:48	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:49	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:50	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:50	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:50	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:50	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:50	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:50	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:48.175206 End time: 2026-02-05 17:15:49.704620
2026-02-05 17:15:50	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:50	INFO	tclean::::casa	##########################################
2026-02-05 17:15:50	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:50	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:50	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)
2026-02-05 17:15:50	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:50	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:50 2026******
2026-02-05 17:15:50	INFO	ImageFitter::fit+	
2026-02-05 17:15:50	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:50	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:50	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:50	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:50	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:50	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:50	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:50	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:50	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:50	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:50	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)
2026-02-05 17:15:50	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:50	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:50	INFO	imstat::::casa	##########################################
2026-02-05 17:15:50	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:50	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 )
2026-02-05 17:15:50	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:50	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:50	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:50	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:50	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:50	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)
2026-02-05 17:15:50	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:50	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:50	INFO	imstat::::	Values --- 
2026-02-05 17:15:50	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:50	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:50	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:50	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-02-05 17:15:50	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:50	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:50	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:50	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-02-05 17:15:50	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:50	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:50	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:50	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:50	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:50	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:50	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:50	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86712e-05 Jy/beam
2026-02-05 17:15:50	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam
2026-02-05 17:15:50	INFO	imstat::::	        -- IQR [quartile]:                          3.56293e-05 Jy/beam
2026-02-05 17:15:50	INFO	imstat::::	        -- First quartile [q1]:                     -3.45095e-05 Jy/beam
2026-02-05 17:15:50	INFO	imstat::::	        -- Third quartile [q3]:                     1.1198e-06 Jy/beam
2026-02-05 17:15:50	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:50	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:50	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:50	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:50	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:50	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:50	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
2026-02-05 17:15:50	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:49.768608 End time: 2026-02-05 17:15:49.792738
2026-02-05 17:15:50	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:50	INFO	imstat::::casa	##########################################
2026-02-05 17:15:50	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:50	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:50	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 19:53:49.9980 02:40:24.0001' )
2026-02-05 17:15:50	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:50	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:50	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:50	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:50	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:50	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:50	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:50	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:50	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:50	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:50	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-02-05 17:15:50	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 02:40:24.0001' successfully parsed
2026-02-05 17:15:50	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:50	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:50	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:49.807398 End time: 2026-02-05 17:15:50.287418
2026-02-05 17:15:50	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:50	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:50	INFO	tclean::::casa	##########################################
2026-02-05 17:15:50	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:50	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 )
2026-02-05 17:15:50	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:50	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:50	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:50	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:50	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:50	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:50	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:50	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:50	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:50	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:50	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:50	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:51	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:51	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.019789
2026-02-05 17:15:51	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:51	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:51	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:51	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:51	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:15:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:52	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:52	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:52	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:52	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:52	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:52	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:50.315181 End time: 2026-02-05 17:15:51.803029
2026-02-05 17:15:52	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:52	INFO	tclean::::casa	##########################################
2026-02-05 17:15:52	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:52	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-02-05 17:15:52	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:52	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:52 2026******
2026-02-05 17:15:52	INFO	ImageFitter::fit+	
2026-02-05 17:15:52	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:52	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:52	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:52	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:52	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:52	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:52	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:52	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:52	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:52	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)
2026-02-05 17:15:52	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116891 Jy
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126504 Jy
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:52	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:52	INFO	imstat::::casa	##########################################
2026-02-05 17:15:52	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:52	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-02-05 17:15:52	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:52	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:52	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:52	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:52	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:52	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-02-05 17:15:52	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:52	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:52	INFO	imstat::::	Values --- 
2026-02-05 17:15:52	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:52	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:52	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:52	INFO	imstat::::	         -- minimum value [min]:                    -7.78094e-05 Jy/beam
2026-02-05 17:15:52	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:52	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:15:52	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:52	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-02-05 17:15:52	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:52	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:52	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:52	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:52	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:52	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:52	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:52	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86846e-05 Jy/beam
2026-02-05 17:15:52	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam
2026-02-05 17:15:52	INFO	imstat::::	        -- IQR [quartile]:                          3.56505e-05 Jy/beam
2026-02-05 17:15:52	INFO	imstat::::	        -- First quartile [q1]:                     -3.45202e-05 Jy/beam
2026-02-05 17:15:52	INFO	imstat::::	        -- Third quartile [q3]:                     1.13024e-06 Jy/beam
2026-02-05 17:15:52	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:52	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:52	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:52	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:52	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:52	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:52	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
2026-02-05 17:15:52	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:51.870405 End time: 2026-02-05 17:15:51.896265
2026-02-05 17:15:52	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:52	INFO	imstat::::casa	##########################################
2026-02-05 17:15:52	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:52	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:52	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40.100000528deg' )
2026-02-05 17:15:52	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:52	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:52	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:52	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:52	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:52	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:52	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:52	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:52	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:52	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:52	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:52	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 40.100000528deg' successfully parsed
2026-02-05 17:15:52	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:52	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:52	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:51.911609 End time: 2026-02-05 17:15:52.299581
2026-02-05 17:15:52	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:52	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:52	INFO	tclean::::casa	##########################################
2026-02-05 17:15:52	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:52	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 )
2026-02-05 17:15:52	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:52	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:52	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:52	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:52	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:52	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:52	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:52	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:52	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:52	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:52	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:52	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:53	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:53	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010002
2026-02-05 17:15:53	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:53	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:53	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:53	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:53	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:54	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:54	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:54	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:54	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:54	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:54	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:52.317788 End time: 2026-02-05 17:15:53.629770
2026-02-05 17:15:54	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:54	INFO	tclean::::casa	##########################################
2026-02-05 17:15:54	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:54	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:54	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)
2026-02-05 17:15:54	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:54	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:54 2026******
2026-02-05 17:15:54	INFO	ImageFitter::fit+	
2026-02-05 17:15:54	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:54	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:54	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:54	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:54	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:54	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:54	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:54	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:54	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:54	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:54	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)
2026-02-05 17:15:54	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116876 Jy
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:54	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:54	INFO	imstat::::casa	##########################################
2026-02-05 17:15:54	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:54	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 )
2026-02-05 17:15:54	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:54	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:54	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:54	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:54	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:54	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)
2026-02-05 17:15:54	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:54	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:54	INFO	imstat::::	Values --- 
2026-02-05 17:15:54	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:54	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:54	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:54	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-02-05 17:15:54	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:54	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:54	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:54	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-02-05 17:15:54	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:54	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:54	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:54	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:54	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:54	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:54	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:54	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-02-05 17:15:54	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam
2026-02-05 17:15:54	INFO	imstat::::	        -- IQR [quartile]:                          3.56311e-05 Jy/beam
2026-02-05 17:15:54	INFO	imstat::::	        -- First quartile [q1]:                     -3.45119e-05 Jy/beam
2026-02-05 17:15:54	INFO	imstat::::	        -- Third quartile [q3]:                     1.11928e-06 Jy/beam
2026-02-05 17:15:54	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:54	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:54	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:54	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:54	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:54	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:54	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
2026-02-05 17:15:54	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:53.670353 End time: 2026-02-05 17:15:53.689283
2026-02-05 17:15:54	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:54	INFO	imstat::::casa	##########################################
2026-02-05 17:15:54	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:54	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:54	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 19:53:49.9980 0.699877039rad' )
2026-02-05 17:15:54	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:54	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:54	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:54	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:54	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:54	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:54	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:54	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:54	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:54	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:54	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:54	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 0.699877039rad' successfully parsed
2026-02-05 17:15:54	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:54	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:54	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:53.700876 End time: 2026-02-05 17:15:54.081428
2026-02-05 17:15:54	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:54	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:54	INFO	tclean::::casa	##########################################
2026-02-05 17:15:54	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:54	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 )
2026-02-05 17:15:54	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:54	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:54	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:54	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:54	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:54	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:54	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:54	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:54	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:54	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:54	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:54	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:54	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:54	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.01364
2026-02-05 17:15:54	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:54	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:55	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:55	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:55	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:55	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:55	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:55	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:56	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:54.099472 End time: 2026-02-05 17:15:55.536339
2026-02-05 17:15:56	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:56	INFO	tclean::::casa	##########################################
2026-02-05 17:15:56	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:56	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:56	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)
2026-02-05 17:15:56	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:56	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:56 2026******
2026-02-05 17:15:56	INFO	ImageFitter::fit+	
2026-02-05 17:15:56	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:56	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:56	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:56	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:56	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:56	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:56	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:56	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:56	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:56	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:56	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)
2026-02-05 17:15:56	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:56	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:56	INFO	imstat::::casa	##########################################
2026-02-05 17:15:56	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:56	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 )
2026-02-05 17:15:56	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:56	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:56	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:56	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:56	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:56	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)
2026-02-05 17:15:56	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:56	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:56	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:56	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:56	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:56	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:56	INFO	imstat::::	Values --- 
2026-02-05 17:15:56	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:56	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:56	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:56	INFO	imstat::::	         -- minimum value [min]:                    -7.77867e-05 Jy/beam
2026-02-05 17:15:56	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:56	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:56	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:56	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-02-05 17:15:56	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:56	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:56	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:56	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:56	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:56	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:56	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:56	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86761e-05 Jy/beam
2026-02-05 17:15:56	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam
2026-02-05 17:15:56	INFO	imstat::::	        -- IQR [quartile]:                          3.56319e-05 Jy/beam
2026-02-05 17:15:56	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-02-05 17:15:56	INFO	imstat::::	        -- Third quartile [q3]:                     1.11659e-06 Jy/beam
2026-02-05 17:15:56	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:56	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:56	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:56	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:56	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:56	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:56	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
2026-02-05 17:15:56	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:55.607515 End time: 2026-02-05 17:15:55.633337
2026-02-05 17:15:56	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:56	INFO	imstat::::casa	##########################################
2026-02-05 17:15:56	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:56	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:56	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 40d06m0.0019' )
2026-02-05 17:15:56	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:56	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:56	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:56	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:56	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:56	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:56	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:56	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:56	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:56	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:56	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:15:56	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 40d06m0.0019' successfully parsed
2026-02-05 17:15:56	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:56	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:56	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:55.648858 End time: 2026-02-05 17:15:56.069703
2026-02-05 17:15:56	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:56	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:56	INFO	tclean::::casa	##########################################
2026-02-05 17:15:56	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:56	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 )
2026-02-05 17:15:56	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:56	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:56	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:56	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:56	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:56	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:56	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:56	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:56	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:56	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:56	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:56	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:56	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:56	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023902
2026-02-05 17:15:56	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:56	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:57	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:57	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:57	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:15:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:57	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:57	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:57	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:57	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:57	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:58	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:56.105339 End time: 2026-02-05 17:15:57.510883
2026-02-05 17:15:58	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:58	INFO	tclean::::casa	##########################################
2026-02-05 17:15:58	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:58	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:58	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-02-05 17:15:58	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:58	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:58 2026******
2026-02-05 17:15:58	INFO	ImageFitter::fit+	
2026-02-05 17:15:58	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:58	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:58	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:58	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:58	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:58	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:58	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:58	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:58	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:58	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:58	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-02-05 17:15:58	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:58	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:58	INFO	imstat::::casa	##########################################
2026-02-05 17:15:58	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:58	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-02-05 17:15:58	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:58	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:58	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:58	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:58	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:58	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-02-05 17:15:58	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:58	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:58	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:58	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:58	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:58	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:58	INFO	imstat::::	Values --- 
2026-02-05 17:15:58	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:58	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:58	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:58	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-02-05 17:15:58	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:58	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:15:58	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:58	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-02-05 17:15:58	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:58	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:58	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:58	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:58	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:58	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:58	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:58	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86712e-05 Jy/beam
2026-02-05 17:15:58	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam
2026-02-05 17:15:58	INFO	imstat::::	        -- IQR [quartile]:                          3.56293e-05 Jy/beam
2026-02-05 17:15:58	INFO	imstat::::	        -- First quartile [q1]:                     -3.45095e-05 Jy/beam
2026-02-05 17:15:58	INFO	imstat::::	        -- Third quartile [q3]:                     1.1198e-06 Jy/beam
2026-02-05 17:15:58	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:58	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:58	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:58	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:58	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:58	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:58	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
2026-02-05 17:15:58	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:57.550784 End time: 2026-02-05 17:15:57.570022
2026-02-05 17:15:58	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:58	INFO	imstat::::casa	##########################################
2026-02-05 17:15:58	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:58	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:15:58	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 02:40:24.0001' )
2026-02-05 17:15:58	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:15:58	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:15:58	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:15:58	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:15:58	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:15:58	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:15:58	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:15:58	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:15:58	INFO	MSTransformManager::open	Select data
2026-02-05 17:15:58	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:15:58	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 ".".
2026-02-05 17:15:58	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 02:40:24.0001' successfully parsed
2026-02-05 17:15:58	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:15:58	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:15:58	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:57.581789 End time: 2026-02-05 17:15:57.975460
2026-02-05 17:15:58	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:15:58	INFO	phaseshift::::casa	##########################################
2026-02-05 17:15:58	INFO	tclean::::casa	##########################################
2026-02-05 17:15:58	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:15:58	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 )
2026-02-05 17:15:58	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:15:58	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:15:58	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:15:58	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:58	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:15:58	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:15:58	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:15:58	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:15:58	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:15:58	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:15:58	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:15:58	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:15:58	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:15:58	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.015801
2026-02-05 17:15:58	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:58	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:15:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:15:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:15:59	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:15:59	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:15:59	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:15:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:15:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:15:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:15:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:15:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:15:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:15:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:15:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:15:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:15:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:15:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:15:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:15:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:15:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:15:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:15:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:15:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:15:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:15:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:15:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:15:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:15:59	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:15:59	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:15:59	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:15:59	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:15:59	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:15:59	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:57.992884 End time: 2026-02-05 17:15:59.395687
2026-02-05 17:15:59	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:15:59	INFO	tclean::::casa	##########################################
2026-02-05 17:15:59	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:15:59	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:59	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)
2026-02-05 17:15:59	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:15:59	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:15:59 2026******
2026-02-05 17:15:59	INFO	ImageFitter::fit+	
2026-02-05 17:15:59	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:15:59	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:15:59	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:15:59	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:15:59	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:15:59	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:15:59	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:15:59	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:15:59	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:15:59	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:59	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)
2026-02-05 17:15:59	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116891 Jy
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126504 Jy
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:15:59	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:15:59	INFO	imstat::::casa	##########################################
2026-02-05 17:15:59	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:15:59	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 )
2026-02-05 17:15:59	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:15:59	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:15:59	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:15:59	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:15:59	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:15:59	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)
2026-02-05 17:15:59	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:15:59	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:15:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:15:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:15:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:15:59	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:15:59	INFO	imstat::::	Values --- 
2026-02-05 17:15:59	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:15:59	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:15:59	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:15:59	INFO	imstat::::	         -- minimum value [min]:                    -7.78094e-05 Jy/beam
2026-02-05 17:15:59	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:15:59	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:15:59	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:15:59	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-02-05 17:15:59	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:15:59	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:15:59	INFO	imstat::::	Statistics --- 
2026-02-05 17:15:59	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:15:59	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:15:59	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:15:59	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:15:59	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86846e-05 Jy/beam
2026-02-05 17:15:59	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam
2026-02-05 17:15:59	INFO	imstat::::	        -- IQR [quartile]:                          3.56505e-05 Jy/beam
2026-02-05 17:15:59	INFO	imstat::::	        -- First quartile [q1]:                     -3.45202e-05 Jy/beam
2026-02-05 17:15:59	INFO	imstat::::	        -- Third quartile [q3]:                     1.13024e-06 Jy/beam
2026-02-05 17:15:59	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:15:59	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:15:59	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:15:59	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:15:59	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:15:59	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:15:59	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
2026-02-05 17:15:59	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:15:59.466455 End time: 2026-02-05 17:15:59.492961
2026-02-05 17:15:59	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:15:59	INFO	imstat::::casa	##########################################
2026-02-05 17:16:00	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:00	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:00	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 40.100000528deg' )
2026-02-05 17:16:00	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:00	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:00	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:00	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:00	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:00	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:00	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:00	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:00	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:00	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:00	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:00	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 40.100000528deg' successfully parsed
2026-02-05 17:16:00	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:00	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:00	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:15:59.508587 End time: 2026-02-05 17:15:59.938647
2026-02-05 17:16:00	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:00	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:00	INFO	tclean::::casa	##########################################
2026-02-05 17:16:00	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:00	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 )
2026-02-05 17:16:00	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:00	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:00	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:00	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:00	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:00	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:00	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:00	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:00	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:00	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:00	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:00	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:00	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:00	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.01114
2026-02-05 17:16:00	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:00	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:00	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:00	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:00	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:16:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:01	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:01	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:01	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:01	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:01	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:01	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:15:59.956300 End time: 2026-02-05 17:16:01.313453
2026-02-05 17:16:01	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:01	INFO	tclean::::casa	##########################################
2026-02-05 17:16:01	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:01	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:01	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)
2026-02-05 17:16:01	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:01	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:01 2026******
2026-02-05 17:16:01	INFO	ImageFitter::fit+	
2026-02-05 17:16:01	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:01	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:01	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:01	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:01	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:01	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:01	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:01	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:01	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:01	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:01	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)
2026-02-05 17:16:01	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116876 Jy
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:01	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:01	INFO	imstat::::casa	##########################################
2026-02-05 17:16:01	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:01	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 )
2026-02-05 17:16:01	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:01	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:01	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:01	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:01	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:01	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)
2026-02-05 17:16:01	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:01	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:01	INFO	imstat::::	Values --- 
2026-02-05 17:16:01	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:01	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:01	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:01	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-02-05 17:16:01	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:01	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:01	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:01	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-02-05 17:16:01	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:01	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:01	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:01	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:01	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:01	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:01	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:01	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-02-05 17:16:01	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam
2026-02-05 17:16:01	INFO	imstat::::	        -- IQR [quartile]:                          3.56311e-05 Jy/beam
2026-02-05 17:16:01	INFO	imstat::::	        -- First quartile [q1]:                     -3.45119e-05 Jy/beam
2026-02-05 17:16:01	INFO	imstat::::	        -- Third quartile [q3]:                     1.11928e-06 Jy/beam
2026-02-05 17:16:01	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:01	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:01	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:01	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:01	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:01	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:01	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
2026-02-05 17:16:01	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:01.374016 End time: 2026-02-05 17:16:01.404452
2026-02-05 17:16:01	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:01	INFO	imstat::::casa	##########################################
2026-02-05 17:16:01	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:01	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:01	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 0.699877039rad' )
2026-02-05 17:16:01	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:01	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:01	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:01	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:01	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:01	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:01	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:01	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:01	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:01	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:02	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:02	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 0.699877039rad' successfully parsed
2026-02-05 17:16:02	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:02	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:02	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:01.428415 End time: 2026-02-05 17:16:01.805158
2026-02-05 17:16:02	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:02	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:02	INFO	tclean::::casa	##########################################
2026-02-05 17:16:02	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:02	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 )
2026-02-05 17:16:02	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:02	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:02	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:02	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:02	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:02	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:02	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:02	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:02	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:02	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:02	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:02	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:02	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:02	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025138
2026-02-05 17:16:02	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:02	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:02	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:02	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:02	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:16:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:03	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:03	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:03	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:03	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:03	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:03	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:01.822201 End time: 2026-02-05 17:16:03.275591
2026-02-05 17:16:03	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:03	INFO	tclean::::casa	##########################################
2026-02-05 17:16:03	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:03	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)
2026-02-05 17:16:03	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:03	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:03 2026******
2026-02-05 17:16:03	INFO	ImageFitter::fit+	
2026-02-05 17:16:03	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:03	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:03	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:03	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:03	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:03	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:03	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:03	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:03	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:03	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)
2026-02-05 17:16:03	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:03	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:03	INFO	imstat::::casa	##########################################
2026-02-05 17:16:03	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:03	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 )
2026-02-05 17:16:03	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:03	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:03	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:03	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:03	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:03	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)
2026-02-05 17:16:03	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:03	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:03	INFO	imstat::::	Values --- 
2026-02-05 17:16:03	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:03	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:03	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:03	INFO	imstat::::	         -- minimum value [min]:                    -7.77867e-05 Jy/beam
2026-02-05 17:16:03	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:03	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:03	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:03	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-02-05 17:16:03	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:03	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:03	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:03	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:03	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:03	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:03	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:03	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86761e-05 Jy/beam
2026-02-05 17:16:03	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam
2026-02-05 17:16:03	INFO	imstat::::	        -- IQR [quartile]:                          3.56319e-05 Jy/beam
2026-02-05 17:16:03	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-02-05 17:16:03	INFO	imstat::::	        -- Third quartile [q3]:                     1.11659e-06 Jy/beam
2026-02-05 17:16:03	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:03	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:03	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:03	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:03	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:03	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:03	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
2026-02-05 17:16:03	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:03.316013 End time: 2026-02-05 17:16:03.333748
2026-02-05 17:16:03	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:03	INFO	imstat::::casa	##########################################
2026-02-05 17:16:03	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:03	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:03	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 40d06m0.0019' )
2026-02-05 17:16:03	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:03	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:03	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:03	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:03	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:03	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:03	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:03	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:03	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:03	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:04	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:04	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 40d06m0.0019' successfully parsed
2026-02-05 17:16:04	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:04	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:04	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:03.345310 End time: 2026-02-05 17:16:03.785276
2026-02-05 17:16:04	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:04	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:04	INFO	tclean::::casa	##########################################
2026-02-05 17:16:04	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:04	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 )
2026-02-05 17:16:04	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:04	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:04	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:04	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:04	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:04	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:04	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:04	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:04	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:04	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:04	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:04	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:04	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:04	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.018117
2026-02-05 17:16:04	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:04	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:04	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:04	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:04	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:04	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:05	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:05	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:05	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:05	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:05	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:05	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:03.820825 End time: 2026-02-05 17:16:05.134756
2026-02-05 17:16:05	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:05	INFO	tclean::::casa	##########################################
2026-02-05 17:16:05	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:05	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:05	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)
2026-02-05 17:16:05	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:05	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:05 2026******
2026-02-05 17:16:05	INFO	ImageFitter::fit+	
2026-02-05 17:16:05	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:05	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:05	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:05	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:05	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:05	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:05	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:05	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:05	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:05	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:05	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)
2026-02-05 17:16:05	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116878 Jy
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126494 Jy
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:05	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:05	INFO	imstat::::casa	##########################################
2026-02-05 17:16:05	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:05	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 )
2026-02-05 17:16:05	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:05	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:05	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:05	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:05	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:05	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)
2026-02-05 17:16:05	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:05	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:05	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:05	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:05	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:05	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:05	INFO	imstat::::	Values --- 
2026-02-05 17:16:05	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:05	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:05	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:05	INFO	imstat::::	         -- minimum value [min]:                    -7.77984e-05 Jy/beam
2026-02-05 17:16:05	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:05	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:05	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:05	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-02-05 17:16:05	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:05	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:05	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:05	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:05	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:05	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:05	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:05	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86704e-05 Jy/beam
2026-02-05 17:16:05	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7365e-05 Jy/beam
2026-02-05 17:16:05	INFO	imstat::::	        -- IQR [quartile]:                          3.56348e-05 Jy/beam
2026-02-05 17:16:05	INFO	imstat::::	        -- First quartile [q1]:                     -3.45131e-05 Jy/beam
2026-02-05 17:16:05	INFO	imstat::::	        -- Third quartile [q3]:                     1.12172e-06 Jy/beam
2026-02-05 17:16:05	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:05	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:05	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:05	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:05	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:05	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:05	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
2026-02-05 17:16:05	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:05.175114 End time: 2026-02-05 17:16:05.193818
2026-02-05 17:16:05	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:05	INFO	imstat::::casa	##########################################
2026-02-05 17:16:05	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:05	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:05	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 02:40:24.0001' )
2026-02-05 17:16:05	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:05	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:05	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:05	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:05	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:05	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:05	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:05	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:05	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:05	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:05	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-02-05 17:16:05	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 02:40:24.0001' successfully parsed
2026-02-05 17:16:05	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:06	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:06	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:05.205266 End time: 2026-02-05 17:16:05.538996
2026-02-05 17:16:06	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:06	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:06	INFO	tclean::::casa	##########################################
2026-02-05 17:16:06	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:06	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 )
2026-02-05 17:16:06	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:06	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:06	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:06	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:06	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:06	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:06	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:06	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:06	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:06	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:06	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:06	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:06	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:06	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.0101
2026-02-05 17:16:06	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:06	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:06	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:06	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:06	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:07	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:07	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:07	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:07	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:07	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:07	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:05.557244 End time: 2026-02-05 17:16:06.902202
2026-02-05 17:16:07	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:07	INFO	tclean::::casa	##########################################
2026-02-05 17:16:07	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:07	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:07	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)
2026-02-05 17:16:07	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:07	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:07 2026******
2026-02-05 17:16:07	INFO	ImageFitter::fit+	
2026-02-05 17:16:07	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:07	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:07	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:07	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:07	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:07	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:07	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:07	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:07	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:07	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:07	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)
2026-02-05 17:16:07	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116894 Jy
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126508 Jy
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:07	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:07	INFO	imstat::::casa	##########################################
2026-02-05 17:16:07	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:07	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 )
2026-02-05 17:16:07	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:07	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:07	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:07	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:07	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:07	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)
2026-02-05 17:16:07	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:07	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:07	INFO	imstat::::	Values --- 
2026-02-05 17:16:07	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:07	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:07	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:07	INFO	imstat::::	         -- minimum value [min]:                    -7.78076e-05 Jy/beam
2026-02-05 17:16:07	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:07	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:16:07	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:07	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-02-05 17:16:07	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:07	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:07	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:07	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:07	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:07	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:07	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:07	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86848e-05 Jy/beam
2026-02-05 17:16:07	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73951e-05 Jy/beam
2026-02-05 17:16:07	INFO	imstat::::	        -- IQR [quartile]:                          3.56676e-05 Jy/beam
2026-02-05 17:16:07	INFO	imstat::::	        -- First quartile [q1]:                     -3.45186e-05 Jy/beam
2026-02-05 17:16:07	INFO	imstat::::	        -- Third quartile [q3]:                     1.14894e-06 Jy/beam
2026-02-05 17:16:07	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:07	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:07	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:07	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:07	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:07	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:07	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
2026-02-05 17:16:07	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:06.980299 End time: 2026-02-05 17:16:07.005434
2026-02-05 17:16:07	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:07	INFO	imstat::::casa	##########################################
2026-02-05 17:16:07	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:07	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:07	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 5.209080451rad 40.100000528deg' )
2026-02-05 17:16:07	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:07	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:07	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:07	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:07	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:07	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:07	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:07	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:07	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:07	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:07	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:07	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 40.100000528deg' successfully parsed
2026-02-05 17:16:07	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:07	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:07	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:07.019861 End time: 2026-02-05 17:16:07.442268
2026-02-05 17:16:07	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:07	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:07	INFO	tclean::::casa	##########################################
2026-02-05 17:16:07	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:07	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:16:07	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:07	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:07	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:08	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:08	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:08	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:08	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:08	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:08	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:08	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:08	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:08	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.018126
2026-02-05 17:16:08	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:08	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:08	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:08	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:08	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:16:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:09	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:09	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:09	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:09	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:09	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:09	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:07.476004 End time: 2026-02-05 17:16:09.015846
2026-02-05 17:16:09	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:09	INFO	tclean::::casa	##########################################
2026-02-05 17:16:09	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:09	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:09	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)
2026-02-05 17:16:09	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:09	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:09 2026******
2026-02-05 17:16:09	INFO	ImageFitter::fit+	
2026-02-05 17:16:09	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:09	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:09	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:09	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:09	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:09	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:09	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:09	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:09	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:09	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:09	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)
2026-02-05 17:16:09	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116882 Jy
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126496 Jy
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:09	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:09	INFO	imstat::::casa	##########################################
2026-02-05 17:16:09	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:09	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 )
2026-02-05 17:16:09	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:09	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:09	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:09	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:09	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:09	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)
2026-02-05 17:16:09	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:09	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:09	INFO	imstat::::	Values --- 
2026-02-05 17:16:09	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:09	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:09	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:09	INFO	imstat::::	         -- minimum value [min]:                    -7.77982e-05 Jy/beam
2026-02-05 17:16:09	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:09	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:09	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:09	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-02-05 17:16:09	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:09	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:09	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:09	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:09	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:09	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:09	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:09	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86711e-05 Jy/beam
2026-02-05 17:16:09	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73646e-05 Jy/beam
2026-02-05 17:16:09	INFO	imstat::::	        -- IQR [quartile]:                          3.56367e-05 Jy/beam
2026-02-05 17:16:09	INFO	imstat::::	        -- First quartile [q1]:                     -3.45138e-05 Jy/beam
2026-02-05 17:16:09	INFO	imstat::::	        -- Third quartile [q3]:                     1.12291e-06 Jy/beam
2026-02-05 17:16:09	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:09	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:09	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:09	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:09	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:09	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:09	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
2026-02-05 17:16:09	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:09.081489 End time: 2026-02-05 17:16:09.106422
2026-02-05 17:16:09	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:09	INFO	imstat::::casa	##########################################
2026-02-05 17:16:09	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:09	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:09	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' )
2026-02-05 17:16:09	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:09	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:09	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:09	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:09	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:09	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:09	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:09	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:09	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:09	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:09	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:09	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 0.699877039rad' successfully parsed
2026-02-05 17:16:09	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:09	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:09	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:09.122442 End time: 2026-02-05 17:16:09.498177
2026-02-05 17:16:09	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:09	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:10	INFO	tclean::::casa	##########################################
2026-02-05 17:16:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:10	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 )
2026-02-05 17:16:10	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:10	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:10	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:10	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:10	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:10	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:10	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:10	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:10	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:10	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022496
2026-02-05 17:16:10	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:10	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:10	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:10	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:10	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374443277716637, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852561634033918, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:16:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:11	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:11	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:11	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:11	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:11	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:11	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:09.516014 End time: 2026-02-05 17:16:10.980462
2026-02-05 17:16:11	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:11	INFO	tclean::::casa	##########################################
2026-02-05 17:16:11	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:11	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:11	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-02-05 17:16:11	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:11	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:11 2026******
2026-02-05 17:16:11	INFO	ImageFitter::fit+	
2026-02-05 17:16:11	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:11	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:11	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:11	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:11	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:11	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:11	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:11	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:11	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:11	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:11	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-02-05 17:16:11	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116879 Jy
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126495 Jy
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:11	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:11	INFO	imstat::::casa	##########################################
2026-02-05 17:16:11	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:11	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-02-05 17:16:11	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:11	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:11	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:11	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:11	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:11	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-02-05 17:16:11	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:11	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:11	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:11	INFO	imstat::::	Values --- 
2026-02-05 17:16:11	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:11	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:11	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:11	INFO	imstat::::	         -- minimum value [min]:                    -7.77898e-05 Jy/beam
2026-02-05 17:16:11	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:11	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:11	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:11	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-02-05 17:16:11	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:11	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:11	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:11	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:11	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:11	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:11	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:11	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86769e-05 Jy/beam
2026-02-05 17:16:11	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73662e-05 Jy/beam
2026-02-05 17:16:11	INFO	imstat::::	        -- IQR [quartile]:                          3.5634e-05 Jy/beam
2026-02-05 17:16:11	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-02-05 17:16:11	INFO	imstat::::	        -- Third quartile [q3]:                     1.1187e-06 Jy/beam
2026-02-05 17:16:11	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:11	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:11	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:11	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:11	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:11	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:11	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
2026-02-05 17:16:11	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:11.035039 End time: 2026-02-05 17:16:11.055990
2026-02-05 17:16:11	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:11	INFO	imstat::::casa	##########################################
2026-02-05 17:16:11	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:11	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:11	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 +006d21m09.7433' )
2026-02-05 17:16:11	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:11	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:11	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:11	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:11	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:11	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:11	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:11	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:11	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:11	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:11	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:11	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 +006d21m09.7433' successfully parsed
2026-02-05 17:16:11	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:11	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:11	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:11.069545 End time: 2026-02-05 17:16:11.471576
2026-02-05 17:16:11	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:11	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:11	INFO	tclean::::casa	##########################################
2026-02-05 17:16:11	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:11	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 )
2026-02-05 17:16:11	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:12	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:12	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:12	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:12	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:12	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:12	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:12	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:12	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:12	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:12	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:12	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:12	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:12	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010682
2026-02-05 17:16:12	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:12	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:12	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:13	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:13	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:13	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:13	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:13	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:13	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:11.490732 End time: 2026-02-05 17:16:12.962845
2026-02-05 17:16:13	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:13	INFO	tclean::::casa	##########################################
2026-02-05 17:16:13	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:13	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:13	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)
2026-02-05 17:16:13	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:13	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:13 2026******
2026-02-05 17:16:13	INFO	ImageFitter::fit+	
2026-02-05 17:16:13	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:13	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:13	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:13	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:13	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:13	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:13	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:13	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:13	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:13	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:13	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)
2026-02-05 17:16:13	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:13	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:13	INFO	imstat::::casa	##########################################
2026-02-05 17:16:13	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:13	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 )
2026-02-05 17:16:13	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:13	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:13	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:13	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:13	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:13	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)
2026-02-05 17:16:13	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:13	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:13	INFO	imstat::::	Values --- 
2026-02-05 17:16:13	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:13	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:13	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:13	INFO	imstat::::	         -- minimum value [min]:                    -7.77795e-05 Jy/beam
2026-02-05 17:16:13	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:13	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:13	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:13	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:13	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:13	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:13	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:13	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:13	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:13	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:13	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:13	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86702e-05 Jy/beam
2026-02-05 17:16:13	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam
2026-02-05 17:16:13	INFO	imstat::::	        -- IQR [quartile]:                          3.56029e-05 Jy/beam
2026-02-05 17:16:13	INFO	imstat::::	        -- First quartile [q1]:                     -3.45082e-05 Jy/beam
2026-02-05 17:16:13	INFO	imstat::::	        -- Third quartile [q3]:                     1.09472e-06 Jy/beam
2026-02-05 17:16:13	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:13	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:13	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:13	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:13	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:13	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:13	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
2026-02-05 17:16:13	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:13.003234 End time: 2026-02-05 17:16:13.022601
2026-02-05 17:16:13	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:13	INFO	imstat::::casa	##########################################
2026-02-05 17:16:13	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:13	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:13	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 00:25:24.6496' )
2026-02-05 17:16:13	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:13	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:13	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:13	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:13	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:13	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:13	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:13	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:13	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:13	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:13	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 ".".
2026-02-05 17:16:13	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 00:25:24.6496' successfully parsed
2026-02-05 17:16:13	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:13	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:13	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:13.034866 End time: 2026-02-05 17:16:13.462082
2026-02-05 17:16:13	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:13	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:13	INFO	tclean::::casa	##########################################
2026-02-05 17:16:13	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:13	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 )
2026-02-05 17:16:13	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:13	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:13	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:14	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:14	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:14	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:14	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:14	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:14	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:14	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:14	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:14	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:14	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:14	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010384
2026-02-05 17:16:14	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:14	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:14	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:14	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:14	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:15	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:15	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:15	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:15	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:15	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:15	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:13.479566 End time: 2026-02-05 17:16:14.882334
2026-02-05 17:16:15	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:15	INFO	tclean::::casa	##########################################
2026-02-05 17:16:15	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:15	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:15	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)
2026-02-05 17:16:15	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:15	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:15 2026******
2026-02-05 17:16:15	INFO	ImageFitter::fit+	
2026-02-05 17:16:15	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:15	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:15	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:15	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:15	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:15	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:15	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:15	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:15	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:15	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:15	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)
2026-02-05 17:16:15	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116907 Jy
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012652 Jy
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000038 +/- 0.000777 arcsec
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999939 +/- 0.000127 pixels
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999957 +/- 0.000097 pixels
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:15	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:15	INFO	imstat::::casa	##########################################
2026-02-05 17:16:15	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:15	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 )
2026-02-05 17:16:15	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:15	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:15	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:15	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:15	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:15	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)
2026-02-05 17:16:15	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:15	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-02-05 17:16:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-02-05 17:16:15	INFO	imstat::::	Values --- 
2026-02-05 17:16:15	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:15	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:15	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:15	INFO	imstat::::	         -- minimum value [min]:                    -7.78732e-05 Jy/beam
2026-02-05 17:16:15	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:15	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:15	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:15	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:15	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:15	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:15	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:15	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:15	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:15	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:15	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:15	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86516e-05 Jy/beam
2026-02-05 17:16:15	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam
2026-02-05 17:16:15	INFO	imstat::::	        -- IQR [quartile]:                          3.56959e-05 Jy/beam
2026-02-05 17:16:15	INFO	imstat::::	        -- First quartile [q1]:                     -3.45348e-05 Jy/beam
2026-02-05 17:16:15	INFO	imstat::::	        -- Third quartile [q3]:                     1.16101e-06 Jy/beam
2026-02-05 17:16:15	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:15	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:15	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:15	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:15	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:15	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:15	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
2026-02-05 17:16:15	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:14.940376 End time: 2026-02-05 17:16:14.963507
2026-02-05 17:16:15	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:15	INFO	imstat::::casa	##########################################
2026-02-05 17:16:15	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:15	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:15	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 05h00m21.5326 6.352706472deg' )
2026-02-05 17:16:15	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:15	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:15	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:15	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:15	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:15	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:15	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:15	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:15	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:15	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:15	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:15	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 6.352706472deg' successfully parsed
2026-02-05 17:16:15	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:15	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:15	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:14.977187 End time: 2026-02-05 17:16:15.349055
2026-02-05 17:16:15	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:15	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:15	INFO	tclean::::casa	##########################################
2026-02-05 17:16:15	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:15	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:16:15	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:15	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:15	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:15	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:15	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:15	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:15	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:15	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:15	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:15	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:16	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:16	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.013227
2026-02-05 17:16:16	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:16	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:16	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:17	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:17	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:17	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:17	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:17	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:17	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:15.366548 End time: 2026-02-05 17:16:16.829583
2026-02-05 17:16:17	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:17	INFO	tclean::::casa	##########################################
2026-02-05 17:16:17	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:17	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)
2026-02-05 17:16:17	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:17	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:17 2026******
2026-02-05 17:16:17	INFO	ImageFitter::fit+	
2026-02-05 17:16:17	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:17	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:17	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:17	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:17	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:17	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:17	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:17	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:17	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:17	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)
2026-02-05 17:16:17	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116872 Jy
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:17	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:17	INFO	imstat::::casa	##########################################
2026-02-05 17:16:17	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:17	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 )
2026-02-05 17:16:17	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:17	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:17	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:17	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:17	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:17	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)
2026-02-05 17:16:17	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:17	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:17	INFO	imstat::::	Values --- 
2026-02-05 17:16:17	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:17	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:17	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:17	INFO	imstat::::	         -- minimum value [min]:                    -7.7777e-05 Jy/beam
2026-02-05 17:16:17	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:17	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:17	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:17	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:17	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:17	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:17	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:17	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:17	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:17	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:17	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:17	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86705e-05 Jy/beam
2026-02-05 17:16:17	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam
2026-02-05 17:16:17	INFO	imstat::::	        -- IQR [quartile]:                          3.56027e-05 Jy/beam
2026-02-05 17:16:17	INFO	imstat::::	        -- First quartile [q1]:                     -3.45074e-05 Jy/beam
2026-02-05 17:16:17	INFO	imstat::::	        -- Third quartile [q3]:                     1.09529e-06 Jy/beam
2026-02-05 17:16:17	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:17	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:17	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:17	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:17	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:17	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:17	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
2026-02-05 17:16:17	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:16.871757 End time: 2026-02-05 17:16:16.891750
2026-02-05 17:16:17	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:17	INFO	imstat::::casa	##########################################
2026-02-05 17:16:17	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:17	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:17	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 0.110875644rad' )
2026-02-05 17:16:17	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:17	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:17	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:17	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:17	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:17	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:17	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:17	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:17	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:17	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:17	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:17	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 0.110875644rad' successfully parsed
2026-02-05 17:16:17	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:17	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:17	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:16.903530 End time: 2026-02-05 17:16:17.362150
2026-02-05 17:16:17	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:17	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:17	INFO	tclean::::casa	##########################################
2026-02-05 17:16:17	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:17	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 )
2026-02-05 17:16:17	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:17	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:17	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:17	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:17	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:17	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:17	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:17	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:17	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:17	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:17	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:17	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:18	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:18	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010095
2026-02-05 17:16:18	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:18	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:18	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:18	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:18	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:19	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:19	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:19	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:19	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:19	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:19	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:17.379631 End time: 2026-02-05 17:16:18.889901
2026-02-05 17:16:19	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:19	INFO	tclean::::casa	##########################################
2026-02-05 17:16:19	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:19	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:19	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)
2026-02-05 17:16:19	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:19	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:19 2026******
2026-02-05 17:16:19	INFO	ImageFitter::fit+	
2026-02-05 17:16:19	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:19	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:19	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:19	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:19	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:19	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:19	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:19	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:19	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:19	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:19	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)
2026-02-05 17:16:19	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000012 +/- 0.000127 pixels
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:19	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:19	INFO	imstat::::casa	##########################################
2026-02-05 17:16:19	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:19	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 )
2026-02-05 17:16:19	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:19	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:19	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:19	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:19	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:19	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)
2026-02-05 17:16:19	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:19	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:19	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:19	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:19	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:19	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:19	INFO	imstat::::	Values --- 
2026-02-05 17:16:19	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:19	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:19	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:19	INFO	imstat::::	         -- minimum value [min]:                    -7.77849e-05 Jy/beam
2026-02-05 17:16:19	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:19	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:16:19	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:19	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-02-05 17:16:19	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:19	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:19	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:19	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:19	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:19	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:19	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:19	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-02-05 17:16:19	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam
2026-02-05 17:16:19	INFO	imstat::::	        -- IQR [quartile]:                          3.56016e-05 Jy/beam
2026-02-05 17:16:19	INFO	imstat::::	        -- First quartile [q1]:                     -3.45087e-05 Jy/beam
2026-02-05 17:16:19	INFO	imstat::::	        -- Third quartile [q3]:                     1.0929e-06 Jy/beam
2026-02-05 17:16:19	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:19	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:19	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:19	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:19	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:19	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:19	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
2026-02-05 17:16:19	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:18.929313 End time: 2026-02-05 17:16:18.948101
2026-02-05 17:16:19	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:19	INFO	imstat::::casa	##########################################
2026-02-05 17:16:19	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:19	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:19	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' )
2026-02-05 17:16:19	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:19	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:19	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:19	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:19	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:19	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:19	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:19	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:19	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:19	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:19	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:19	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 +006d21m09.7433' successfully parsed
2026-02-05 17:16:19	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:19	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:19	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:18.959835 End time: 2026-02-05 17:16:19.301744
2026-02-05 17:16:19	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:19	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:19	INFO	tclean::::casa	##########################################
2026-02-05 17:16:19	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:19	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 )
2026-02-05 17:16:19	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:19	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:19	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:19	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:19	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:19	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:19	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:19	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:19	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:19	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:19	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:19	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:20	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:20	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010038
2026-02-05 17:16:20	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:20	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:20	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:20	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:20	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:20	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:20	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:21	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:21	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:19.319358 End time: 2026-02-05 17:16:20.574638
2026-02-05 17:16:21	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:21	INFO	tclean::::casa	##########################################
2026-02-05 17:16:21	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:21	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:21	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)
2026-02-05 17:16:21	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:21	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:21 2026******
2026-02-05 17:16:21	INFO	ImageFitter::fit+	
2026-02-05 17:16:21	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:21	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:21	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:21	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:21	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:21	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:21	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:21	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:21	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:21	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:21	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)
2026-02-05 17:16:21	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:21	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:21	INFO	imstat::::casa	##########################################
2026-02-05 17:16:21	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:21	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 )
2026-02-05 17:16:21	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:21	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:21	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:21	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:21	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:21	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)
2026-02-05 17:16:21	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:21	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:21	INFO	imstat::::	Values --- 
2026-02-05 17:16:21	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:21	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:21	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:21	INFO	imstat::::	         -- minimum value [min]:                    -7.77795e-05 Jy/beam
2026-02-05 17:16:21	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:21	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:21	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:21	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:21	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:21	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:21	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:21	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:21	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:21	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:21	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:21	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86702e-05 Jy/beam
2026-02-05 17:16:21	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam
2026-02-05 17:16:21	INFO	imstat::::	        -- IQR [quartile]:                          3.56029e-05 Jy/beam
2026-02-05 17:16:21	INFO	imstat::::	        -- First quartile [q1]:                     -3.45082e-05 Jy/beam
2026-02-05 17:16:21	INFO	imstat::::	        -- Third quartile [q3]:                     1.09472e-06 Jy/beam
2026-02-05 17:16:21	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:21	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:21	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:21	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:21	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:21	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:21	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
2026-02-05 17:16:21	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:20.614112 End time: 2026-02-05 17:16:20.642396
2026-02-05 17:16:21	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:21	INFO	imstat::::casa	##########################################
2026-02-05 17:16:21	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:21	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:21	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 00:25:24.6496' )
2026-02-05 17:16:21	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:21	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:21	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:21	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:21	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:21	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:21	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:21	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:21	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:21	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:21	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-02-05 17:16:21	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 00:25:24.6496' successfully parsed
2026-02-05 17:16:21	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:21	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:21	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:20.654768 End time: 2026-02-05 17:16:21.082099
2026-02-05 17:16:21	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:21	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:21	INFO	tclean::::casa	##########################################
2026-02-05 17:16:21	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:21	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 )
2026-02-05 17:16:21	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:21	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:21	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:21	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:21	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:21	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:21	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:21	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:21	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:21	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:21	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:21	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:21	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:21	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.013359
2026-02-05 17:16:21	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:21	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:22	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:22	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:22	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:22	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:22	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:22	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:22	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:22	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:22	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:21.102294 End time: 2026-02-05 17:16:22.492741
2026-02-05 17:16:22	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:22	INFO	tclean::::casa	##########################################
2026-02-05 17:16:23	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:23	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:23	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-02-05 17:16:23	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:23	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:23 2026******
2026-02-05 17:16:23	INFO	ImageFitter::fit+	
2026-02-05 17:16:23	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:23	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:23	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:23	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:23	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:23	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:23	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:23	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:23	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:23	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:23	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-02-05 17:16:23	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116907 Jy
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012652 Jy
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000038 +/- 0.000777 arcsec
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999939 +/- 0.000127 pixels
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999957 +/- 0.000097 pixels
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:23	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:23	INFO	imstat::::casa	##########################################
2026-02-05 17:16:23	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:23	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-02-05 17:16:23	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:23	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:23	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:23	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:23	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:23	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)
2026-02-05 17:16:23	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:23	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-02-05 17:16:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-02-05 17:16:23	INFO	imstat::::	Values --- 
2026-02-05 17:16:23	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:23	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:23	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:23	INFO	imstat::::	         -- minimum value [min]:                    -7.78732e-05 Jy/beam
2026-02-05 17:16:23	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:23	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:23	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:23	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:23	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:23	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:23	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:23	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:23	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:23	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:23	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:23	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86516e-05 Jy/beam
2026-02-05 17:16:23	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam
2026-02-05 17:16:23	INFO	imstat::::	        -- IQR [quartile]:                          3.56959e-05 Jy/beam
2026-02-05 17:16:23	INFO	imstat::::	        -- First quartile [q1]:                     -3.45348e-05 Jy/beam
2026-02-05 17:16:23	INFO	imstat::::	        -- Third quartile [q3]:                     1.16101e-06 Jy/beam
2026-02-05 17:16:23	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:23	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:23	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:23	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:23	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:23	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:23	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
2026-02-05 17:16:23	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:22.533410 End time: 2026-02-05 17:16:22.552896
2026-02-05 17:16:23	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:23	INFO	imstat::::casa	##########################################
2026-02-05 17:16:23	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:23	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:23	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 6.352706472deg' )
2026-02-05 17:16:23	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:23	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:23	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:23	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:23	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:23	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:23	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:23	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:23	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:23	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:23	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:23	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 6.352706472deg' successfully parsed
2026-02-05 17:16:23	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:23	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:23	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:22.564559 End time: 2026-02-05 17:16:22.998912
2026-02-05 17:16:23	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:23	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:23	INFO	tclean::::casa	##########################################
2026-02-05 17:16:23	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:23	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:16:23	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:23	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:23	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:23	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:23	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:23	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:23	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:23	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:23	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:23	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:23	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:23	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:23	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:23	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010283
2026-02-05 17:16:23	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:23	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:23	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:23	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:23	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:24	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:24	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:24	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:24	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:24	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:24	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:24	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:24	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:24	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:24	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:23.017408 End time: 2026-02-05 17:16:24.358740
2026-02-05 17:16:24	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:24	INFO	tclean::::casa	##########################################
2026-02-05 17:16:24	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:24	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:24	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)
2026-02-05 17:16:24	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:24	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:24 2026******
2026-02-05 17:16:24	INFO	ImageFitter::fit+	
2026-02-05 17:16:24	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:24	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:24	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:24	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:24	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:24	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:24	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:24	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:24	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:24	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:24	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)
2026-02-05 17:16:24	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116872 Jy
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:24	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:24	INFO	imstat::::casa	##########################################
2026-02-05 17:16:24	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:24	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 )
2026-02-05 17:16:24	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:24	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:24	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:24	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:24	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:24	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)
2026-02-05 17:16:24	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:24	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:24	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:24	INFO	imstat::::	Values --- 
2026-02-05 17:16:24	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:24	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:24	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:24	INFO	imstat::::	         -- minimum value [min]:                    -7.7777e-05 Jy/beam
2026-02-05 17:16:24	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:24	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:24	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:24	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:24	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:24	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:24	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:24	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:24	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:24	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:24	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:24	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86705e-05 Jy/beam
2026-02-05 17:16:24	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam
2026-02-05 17:16:24	INFO	imstat::::	        -- IQR [quartile]:                          3.56027e-05 Jy/beam
2026-02-05 17:16:24	INFO	imstat::::	        -- First quartile [q1]:                     -3.45074e-05 Jy/beam
2026-02-05 17:16:24	INFO	imstat::::	        -- Third quartile [q3]:                     1.09529e-06 Jy/beam
2026-02-05 17:16:24	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:24	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:24	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:24	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:24	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:24	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:24	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
2026-02-05 17:16:24	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:24.418264 End time: 2026-02-05 17:16:24.442218
2026-02-05 17:16:24	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:24	INFO	imstat::::casa	##########################################
2026-02-05 17:16:24	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:24	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:24	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 0.110875644rad' )
2026-02-05 17:16:24	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:24	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:24	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:24	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:24	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:24	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:24	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:24	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:24	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:24	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:25	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:25	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 0.110875644rad' successfully parsed
2026-02-05 17:16:25	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:25	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:25	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:24.456253 End time: 2026-02-05 17:16:24.917127
2026-02-05 17:16:25	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:25	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:25	INFO	tclean::::casa	##########################################
2026-02-05 17:16:25	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:25	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:16:25	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:25	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:25	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:25	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:25	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:25	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:25	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:25	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:25	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:25	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:25	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:25	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:25	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:25	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.016061
2026-02-05 17:16:25	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:25	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:26	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:26	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:26	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:26	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:26	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:26	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:26	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:26	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:26	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:24.950712 End time: 2026-02-05 17:16:26.445913
2026-02-05 17:16:26	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:26	INFO	tclean::::casa	##########################################
2026-02-05 17:16:26	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:26	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:26	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)
2026-02-05 17:16:26	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:26	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:26 2026******
2026-02-05 17:16:26	INFO	ImageFitter::fit+	
2026-02-05 17:16:26	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:26	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:26	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:26	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:26	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:26	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:26	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:26	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:26	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:26	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:26	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)
2026-02-05 17:16:26	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000012 +/- 0.000127 pixels
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:26	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:26	INFO	imstat::::casa	##########################################
2026-02-05 17:16:26	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:26	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 )
2026-02-05 17:16:26	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:26	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:26	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:26	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:26	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:26	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)
2026-02-05 17:16:26	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:26	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:27	INFO	imstat::::	Values --- 
2026-02-05 17:16:27	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:27	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:27	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:27	INFO	imstat::::	         -- minimum value [min]:                    -7.77849e-05 Jy/beam
2026-02-05 17:16:27	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:27	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:16:27	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:27	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-02-05 17:16:27	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:27	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:27	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:27	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:27	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:27	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:27	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:27	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-02-05 17:16:27	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam
2026-02-05 17:16:27	INFO	imstat::::	        -- IQR [quartile]:                          3.56016e-05 Jy/beam
2026-02-05 17:16:27	INFO	imstat::::	        -- First quartile [q1]:                     -3.45087e-05 Jy/beam
2026-02-05 17:16:27	INFO	imstat::::	        -- Third quartile [q3]:                     1.0929e-06 Jy/beam
2026-02-05 17:16:27	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:27	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:27	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:27	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:27	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:27	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:27	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
2026-02-05 17:16:27	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:26.486471 End time: 2026-02-05 17:16:26.506004
2026-02-05 17:16:27	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:27	INFO	imstat::::casa	##########################################
2026-02-05 17:16:27	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:27	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:27	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' )
2026-02-05 17:16:27	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:27	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:27	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:27	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:27	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:27	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:27	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:27	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:27	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:27	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:27	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:27	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg +006d21m09.7433' successfully parsed
2026-02-05 17:16:27	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:27	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:27	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:26.517562 End time: 2026-02-05 17:16:26.945074
2026-02-05 17:16:27	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:27	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:27	INFO	tclean::::casa	##########################################
2026-02-05 17:16:27	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:27	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 )
2026-02-05 17:16:27	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:27	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:27	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:27	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:27	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:27	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:27	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:27	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:27	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:27	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:27	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:27	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:27	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:27	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.013987
2026-02-05 17:16:27	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:27	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:28	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:28	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:28	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:28	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:28	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:28	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:28	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:28	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:29	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:26.980172 End time: 2026-02-05 17:16:28.513812
2026-02-05 17:16:29	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:29	INFO	tclean::::casa	##########################################
2026-02-05 17:16:29	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:29	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:29	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)
2026-02-05 17:16:29	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:29	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:29 2026******
2026-02-05 17:16:29	INFO	ImageFitter::fit+	
2026-02-05 17:16:29	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:29	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:29	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:29	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:29	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:29	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:29	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:29	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:29	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:29	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:29	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)
2026-02-05 17:16:29	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116867 Jy
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126483 Jy
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999996 +/- 0.000097 pixels
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:29	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:29	INFO	imstat::::casa	##########################################
2026-02-05 17:16:29	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:29	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 )
2026-02-05 17:16:29	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:29	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:29	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:29	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:29	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:29	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)
2026-02-05 17:16:29	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:29	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:29	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:29	INFO	imstat::::	Values --- 
2026-02-05 17:16:29	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:29	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:29	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:29	INFO	imstat::::	         -- minimum value [min]:                    -7.77768e-05 Jy/beam
2026-02-05 17:16:29	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:29	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:29	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:29	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:29	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:29	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:29	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:29	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:29	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:29	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:29	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:29	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86705e-05 Jy/beam
2026-02-05 17:16:29	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73609e-05 Jy/beam
2026-02-05 17:16:29	INFO	imstat::::	        -- IQR [quartile]:                          3.56013e-05 Jy/beam
2026-02-05 17:16:29	INFO	imstat::::	        -- First quartile [q1]:                     -3.4507e-05 Jy/beam
2026-02-05 17:16:29	INFO	imstat::::	        -- Third quartile [q3]:                     1.09435e-06 Jy/beam
2026-02-05 17:16:29	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:29	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:29	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:29	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:29	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:29	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:29	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
2026-02-05 17:16:29	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:28.566932 End time: 2026-02-05 17:16:28.588774
2026-02-05 17:16:29	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:29	INFO	imstat::::casa	##########################################
2026-02-05 17:16:29	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:29	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:29	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 00:25:24.6496' )
2026-02-05 17:16:29	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:29	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:29	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:29	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:29	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:29	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:29	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:29	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:29	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:29	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:29	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 ".".
2026-02-05 17:16:29	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg 00:25:24.6496' successfully parsed
2026-02-05 17:16:29	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:29	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:29	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:28.600621 End time: 2026-02-05 17:16:29.012206
2026-02-05 17:16:29	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:29	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:29	INFO	tclean::::casa	##########################################
2026-02-05 17:16:29	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:29	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:16:29	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:29	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:29	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:29	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:29	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:29	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:29	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:29	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:29	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:29	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:29	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:29	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:29	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:29	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.011197
2026-02-05 17:16:29	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:29	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:29	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:29	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:29	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:30	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:30	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:30	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:30	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:30	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:30	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:29.030921 End time: 2026-02-05 17:16:30.455026
2026-02-05 17:16:30	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:30	INFO	tclean::::casa	##########################################
2026-02-05 17:16:30	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:30	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)
2026-02-05 17:16:30	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:30	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:30 2026******
2026-02-05 17:16:30	INFO	ImageFitter::fit+	
2026-02-05 17:16:30	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:30	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:30	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:30	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:30	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:30	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:30	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:30	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:30	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:30	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)
2026-02-05 17:16:31	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116903 Jy
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126517 Jy
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000038 +/- 0.000777 arcsec
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999939 +/- 0.000127 pixels
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999957 +/- 0.000097 pixels
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:31	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:31	INFO	imstat::::casa	##########################################
2026-02-05 17:16:31	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:31	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 )
2026-02-05 17:16:31	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:31	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:31	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:31	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:31	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:31	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)
2026-02-05 17:16:31	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:31	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-02-05 17:16:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-02-05 17:16:31	INFO	imstat::::	Values --- 
2026-02-05 17:16:31	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:31	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:31	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:31	INFO	imstat::::	         -- minimum value [min]:                    -7.78731e-05 Jy/beam
2026-02-05 17:16:31	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:31	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:31	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:31	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:31	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:31	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:31	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:31	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:31	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:31	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:31	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:31	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86503e-05 Jy/beam
2026-02-05 17:16:31	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73798e-05 Jy/beam
2026-02-05 17:16:31	INFO	imstat::::	        -- IQR [quartile]:                          3.56966e-05 Jy/beam
2026-02-05 17:16:31	INFO	imstat::::	        -- First quartile [q1]:                     -3.45352e-05 Jy/beam
2026-02-05 17:16:31	INFO	imstat::::	        -- Third quartile [q3]:                     1.16146e-06 Jy/beam
2026-02-05 17:16:31	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:31	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:31	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:31	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:31	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:31	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:31	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
2026-02-05 17:16:31	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:30.518832 End time: 2026-02-05 17:16:30.542751
2026-02-05 17:16:31	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:31	INFO	imstat::::casa	##########################################
2026-02-05 17:16:31	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:31	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:31	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 6.352706472deg' )
2026-02-05 17:16:31	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:31	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:31	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:31	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:31	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:31	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:31	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:31	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:31	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:31	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:31	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:31	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg 6.352706472deg' successfully parsed
2026-02-05 17:16:31	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:31	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:31	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:30.557929 End time: 2026-02-05 17:16:30.987017
2026-02-05 17:16:31	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:31	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:31	INFO	tclean::::casa	##########################################
2026-02-05 17:16:31	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:31	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:16:31	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:31	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:31	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:31	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:31	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:31	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:31	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:31	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:31	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:31	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:31	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:31	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:31	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:31	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.01478
2026-02-05 17:16:31	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:31	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:32	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:32	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:32	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:32	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:32	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:32	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:32	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:32	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:32	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:31.005032 End time: 2026-02-05 17:16:32.490638
2026-02-05 17:16:32	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:32	INFO	tclean::::casa	##########################################
2026-02-05 17:16:33	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:33	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:33	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)
2026-02-05 17:16:33	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:33	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:33 2026******
2026-02-05 17:16:33	INFO	ImageFitter::fit+	
2026-02-05 17:16:33	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:33	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:33	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:33	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:33	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:33	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:33	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:33	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:33	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:33	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:33	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)
2026-02-05 17:16:33	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00011687 Jy
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999996 +/- 0.000097 pixels
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:33	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:33	INFO	imstat::::casa	##########################################
2026-02-05 17:16:33	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:33	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 )
2026-02-05 17:16:33	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:33	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:33	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:33	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:33	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:33	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)
2026-02-05 17:16:33	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:33	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:33	INFO	imstat::::	Values --- 
2026-02-05 17:16:33	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:33	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:33	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:33	INFO	imstat::::	         -- minimum value [min]:                    -7.77771e-05 Jy/beam
2026-02-05 17:16:33	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:33	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:33	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:33	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:33	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:33	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:33	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:33	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:33	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:33	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:33	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:33	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86715e-05 Jy/beam
2026-02-05 17:16:33	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73619e-05 Jy/beam
2026-02-05 17:16:33	INFO	imstat::::	        -- IQR [quartile]:                          3.56021e-05 Jy/beam
2026-02-05 17:16:33	INFO	imstat::::	        -- First quartile [q1]:                     -3.45061e-05 Jy/beam
2026-02-05 17:16:33	INFO	imstat::::	        -- Third quartile [q3]:                     1.09605e-06 Jy/beam
2026-02-05 17:16:33	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:33	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:33	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:33	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:33	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:33	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:33	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
2026-02-05 17:16:33	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:32.565059 End time: 2026-02-05 17:16:32.601467
2026-02-05 17:16:33	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:33	INFO	imstat::::casa	##########################################
2026-02-05 17:16:33	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:33	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:33	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 0.110875644rad' )
2026-02-05 17:16:33	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:33	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:33	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:33	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:33	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:33	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:33	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:33	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:33	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:33	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:33	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:33	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg 0.110875644rad' successfully parsed
2026-02-05 17:16:33	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:33	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:33	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:32.616330 End time: 2026-02-05 17:16:33.064095
2026-02-05 17:16:33	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:33	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:33	INFO	tclean::::casa	##########################################
2026-02-05 17:16:33	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:33	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 )
2026-02-05 17:16:33	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:33	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:33	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:33	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:33	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:33	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:33	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:33	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:33	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:33	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:33	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:33	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:33	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:33	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010701
2026-02-05 17:16:33	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:33	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:34	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:34	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:34	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:34	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:34	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:34	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:34	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:34	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:34	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:33.081785 End time: 2026-02-05 17:16:34.484594
2026-02-05 17:16:34	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:34	INFO	tclean::::casa	##########################################
2026-02-05 17:16:35	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:35	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:35	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-02-05 17:16:35	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:35	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:35 2026******
2026-02-05 17:16:35	INFO	ImageFitter::fit+	
2026-02-05 17:16:35	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:35	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:35	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:35	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:35	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:35	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:35	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:35	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:35	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:35	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:35	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-02-05 17:16:35	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126482 Jy
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000012 +/- 0.000127 pixels
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:35	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:35	INFO	imstat::::casa	##########################################
2026-02-05 17:16:35	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:35	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-02-05 17:16:35	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:35	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:35	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:35	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:35	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:35	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-02-05 17:16:35	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:35	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:35	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:35	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:35	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:35	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:35	INFO	imstat::::	Values --- 
2026-02-05 17:16:35	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:35	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:35	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:35	INFO	imstat::::	         -- minimum value [min]:                    -7.77855e-05 Jy/beam
2026-02-05 17:16:35	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:35	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:16:35	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:35	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-02-05 17:16:35	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:35	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:35	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:35	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:35	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:35	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:35	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:35	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86732e-05 Jy/beam
2026-02-05 17:16:35	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73562e-05 Jy/beam
2026-02-05 17:16:35	INFO	imstat::::	        -- IQR [quartile]:                          3.56008e-05 Jy/beam
2026-02-05 17:16:35	INFO	imstat::::	        -- First quartile [q1]:                     -3.45107e-05 Jy/beam
2026-02-05 17:16:35	INFO	imstat::::	        -- Third quartile [q3]:                     1.09015e-06 Jy/beam
2026-02-05 17:16:35	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:35	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:35	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:35	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:35	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:35	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:35	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
2026-02-05 17:16:35	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:34.552194 End time: 2026-02-05 17:16:34.591311
2026-02-05 17:16:35	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:35	INFO	imstat::::casa	##########################################
2026-02-05 17:16:35	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:35	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:35	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad +006d21m09.7433' )
2026-02-05 17:16:35	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:35	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:35	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:35	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:35	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:35	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:35	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:35	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:35	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:35	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:35	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:35	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad +006d21m09.7433' successfully parsed
2026-02-05 17:16:35	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:35	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:35	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:34.607217 End time: 2026-02-05 17:16:35.008323
2026-02-05 17:16:35	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:35	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:35	INFO	tclean::::casa	##########################################
2026-02-05 17:16:35	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:35	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 )
2026-02-05 17:16:35	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:35	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:35	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:35	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:35	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:35	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:35	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:35	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:35	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:35	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:35	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:35	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:35	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:35	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.01658
2026-02-05 17:16:35	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:35	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:36	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:36	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:36	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:36	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:36	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:36	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:36	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:36	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:36	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:35.026763 End time: 2026-02-05 17:16:36.487318
2026-02-05 17:16:36	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:36	INFO	tclean::::casa	##########################################
2026-02-05 17:16:36	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:36	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:36	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)
2026-02-05 17:16:37	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:37	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:37 2026******
2026-02-05 17:16:37	INFO	ImageFitter::fit+	
2026-02-05 17:16:37	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:37	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:37	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:37	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:37	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:37	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:37	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:37	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:37	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:37	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:37	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)
2026-02-05 17:16:37	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116872 Jy
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000006 +/- 0.000777 arcsec
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000007 +/- 0.000127 pixels
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999994 +/- 0.000097 pixels
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:37	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:37	INFO	imstat::::casa	##########################################
2026-02-05 17:16:37	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:37	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 )
2026-02-05 17:16:37	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:37	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:37	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:37	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:37	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:37	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)
2026-02-05 17:16:37	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:37	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:37	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:37	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:37	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:37	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:37	INFO	imstat::::	Values --- 
2026-02-05 17:16:37	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:37	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:37	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:37	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-02-05 17:16:37	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:37	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:37	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:37	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:37	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:37	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:37	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:37	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:37	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:37	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:37	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:37	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86669e-05 Jy/beam
2026-02-05 17:16:37	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73635e-05 Jy/beam
2026-02-05 17:16:37	INFO	imstat::::	        -- IQR [quartile]:                          3.56081e-05 Jy/beam
2026-02-05 17:16:37	INFO	imstat::::	        -- First quartile [q1]:                     -3.45085e-05 Jy/beam
2026-02-05 17:16:37	INFO	imstat::::	        -- Third quartile [q3]:                     1.09959e-06 Jy/beam
2026-02-05 17:16:37	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:37	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:37	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:37	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:37	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:37	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:37	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
2026-02-05 17:16:37	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:36.528965 End time: 2026-02-05 17:16:36.548620
2026-02-05 17:16:37	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:37	INFO	imstat::::casa	##########################################
2026-02-05 17:16:37	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:37	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:37	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' )
2026-02-05 17:16:37	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:37	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:37	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:37	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:37	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:37	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:37	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:37	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:37	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:37	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:37	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 ".".
2026-02-05 17:16:37	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad 00:25:24.6496' successfully parsed
2026-02-05 17:16:37	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:37	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:37	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:36.560911 End time: 2026-02-05 17:16:37.024748
2026-02-05 17:16:37	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:37	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:37	INFO	tclean::::casa	##########################################
2026-02-05 17:16:37	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:37	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 )
2026-02-05 17:16:37	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:37	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:37	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:37	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:37	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:37	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:37	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:37	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:37	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:37	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:37	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:37	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:37	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:37	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.012799
2026-02-05 17:16:37	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:37	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:38	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:38	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:38	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:16:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:38	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:38	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:38	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:38	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:38	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:38	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:37.047748 End time: 2026-02-05 17:16:38.491222
2026-02-05 17:16:38	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:38	INFO	tclean::::casa	##########################################
2026-02-05 17:16:39	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:39	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:39	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)
2026-02-05 17:16:39	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:39	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:39 2026******
2026-02-05 17:16:39	INFO	ImageFitter::fit+	
2026-02-05 17:16:39	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:39	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:39	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:39	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:39	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:39	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:39	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:39	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:39	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:39	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:39	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)
2026-02-05 17:16:39	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116905 Jy
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012652 Jy
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000041 +/- 0.000777 arcsec
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999941 +/- 0.000127 pixels
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999954 +/- 0.000097 pixels
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:39	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:39	INFO	imstat::::casa	##########################################
2026-02-05 17:16:39	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:39	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 )
2026-02-05 17:16:39	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:39	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:39	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:39	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:39	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:39	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)
2026-02-05 17:16:39	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:39	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-02-05 17:16:39	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-02-05 17:16:39	INFO	imstat::::	Values --- 
2026-02-05 17:16:39	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:39	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:39	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:39	INFO	imstat::::	         -- minimum value [min]:                    -7.78774e-05 Jy/beam
2026-02-05 17:16:39	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:39	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:39	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:39	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:39	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:39	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:39	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:39	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:39	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:39	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:39	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:39	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86532e-05 Jy/beam
2026-02-05 17:16:39	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73779e-05 Jy/beam
2026-02-05 17:16:39	INFO	imstat::::	        -- IQR [quartile]:                          3.5701e-05 Jy/beam
2026-02-05 17:16:39	INFO	imstat::::	        -- First quartile [q1]:                     -3.45356e-05 Jy/beam
2026-02-05 17:16:39	INFO	imstat::::	        -- Third quartile [q3]:                     1.16544e-06 Jy/beam
2026-02-05 17:16:39	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:39	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:39	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:39	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:39	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:39	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:39	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
2026-02-05 17:16:39	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:38.533816 End time: 2026-02-05 17:16:38.554024
2026-02-05 17:16:39	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:39	INFO	imstat::::casa	##########################################
2026-02-05 17:16:39	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:39	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:39	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 6.352706472deg' )
2026-02-05 17:16:39	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:39	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:39	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:39	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:39	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:39	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:39	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:39	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:39	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:39	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:39	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:39	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad 6.352706472deg' successfully parsed
2026-02-05 17:16:39	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:39	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:39	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:38.566411 End time: 2026-02-05 17:16:39.044768
2026-02-05 17:16:39	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:39	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:39	INFO	tclean::::casa	##########################################
2026-02-05 17:16:39	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:39	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 )
2026-02-05 17:16:39	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:39	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:39	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:39	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:39	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:39	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:39	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:39	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:39	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:39	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:39	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:39	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:39	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:39	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010864
2026-02-05 17:16:39	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:39	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:40	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:16:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:40	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:40	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:40	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:40	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:40	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:40	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:39.074690 End time: 2026-02-05 17:16:40.457681
2026-02-05 17:16:40	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:40	INFO	tclean::::casa	##########################################
2026-02-05 17:16:40	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:40	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:40	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)
2026-02-05 17:16:40	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:40	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:40 2026******
2026-02-05 17:16:40	INFO	ImageFitter::fit+	
2026-02-05 17:16:40	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:40	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:40	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:40	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:40	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:40	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:40	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:40	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:40	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:40	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:40	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)
2026-02-05 17:16:40	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000006 +/- 0.000777 arcsec
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000007 +/- 0.000127 pixels
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999994 +/- 0.000097 pixels
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:41	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:41	INFO	imstat::::casa	##########################################
2026-02-05 17:16:41	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:41	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 )
2026-02-05 17:16:41	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:41	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:41	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:41	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:41	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:41	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)
2026-02-05 17:16:41	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:41	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:41	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:41	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:41	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:41	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:41	INFO	imstat::::	Values --- 
2026-02-05 17:16:41	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:41	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:41	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:41	INFO	imstat::::	         -- minimum value [min]:                    -7.77798e-05 Jy/beam
2026-02-05 17:16:41	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:41	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:41	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:41	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:41	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:41	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:41	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:41	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:41	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:41	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:41	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:41	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86675e-05 Jy/beam
2026-02-05 17:16:41	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73645e-05 Jy/beam
2026-02-05 17:16:41	INFO	imstat::::	        -- IQR [quartile]:                          3.56077e-05 Jy/beam
2026-02-05 17:16:41	INFO	imstat::::	        -- First quartile [q1]:                     -3.45073e-05 Jy/beam
2026-02-05 17:16:41	INFO	imstat::::	        -- Third quartile [q3]:                     1.1004e-06 Jy/beam
2026-02-05 17:16:41	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:41	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:41	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:41	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:41	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:41	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:41	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
2026-02-05 17:16:41	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:40.510906 End time: 2026-02-05 17:16:40.531811
2026-02-05 17:16:41	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:41	INFO	imstat::::casa	##########################################
2026-02-05 17:16:41	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:41	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:41	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 0.110875644rad' )
2026-02-05 17:16:41	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:41	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:41	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:41	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:41	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:41	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:41	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:41	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:41	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:41	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:41	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:41	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad 0.110875644rad' successfully parsed
2026-02-05 17:16:41	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:41	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:41	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:40.543678 End time: 2026-02-05 17:16:40.888420
2026-02-05 17:16:41	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:41	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:41	INFO	tclean::::casa	##########################################
2026-02-05 17:16:41	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:41	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:16:41	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:41	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:41	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:41	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:41	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:41	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:41	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:41	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:41	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:41	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:41	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:41	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:41	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:41	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010052
2026-02-05 17:16:41	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:41	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:41	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:41	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:41	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:42	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:42	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:42	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:42	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:42	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:42	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:40.906427 End time: 2026-02-05 17:16:42.388647
2026-02-05 17:16:42	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:42	INFO	tclean::::casa	##########################################
2026-02-05 17:16:42	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:42	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:42	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)
2026-02-05 17:16:42	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:42	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:42 2026******
2026-02-05 17:16:42	INFO	ImageFitter::fit+	
2026-02-05 17:16:42	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:42	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:42	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:42	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:42	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:42	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:42	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:42	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:42	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:42	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:42	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)
2026-02-05 17:16:42	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000002 +/- 0.000777 arcsec
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000014 +/- 0.000127 pixels
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999998 +/- 0.000097 pixels
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:42	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:42	INFO	imstat::::casa	##########################################
2026-02-05 17:16:42	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:42	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 )
2026-02-05 17:16:42	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:42	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:42	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:42	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:42	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:42	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)
2026-02-05 17:16:42	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:42	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:42	INFO	imstat::::	Values --- 
2026-02-05 17:16:42	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:42	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:42	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:42	INFO	imstat::::	         -- minimum value [min]:                    -7.77816e-05 Jy/beam
2026-02-05 17:16:42	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:42	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:16:42	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:42	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-02-05 17:16:42	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:42	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:42	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:42	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:42	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:42	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:42	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:42	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.8676e-05 Jy/beam
2026-02-05 17:16:42	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73584e-05 Jy/beam
2026-02-05 17:16:42	INFO	imstat::::	        -- IQR [quartile]:                          3.56038e-05 Jy/beam
2026-02-05 17:16:42	INFO	imstat::::	        -- First quartile [q1]:                     -3.45104e-05 Jy/beam
2026-02-05 17:16:42	INFO	imstat::::	        -- Third quartile [q3]:                     1.09331e-06 Jy/beam
2026-02-05 17:16:42	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:42	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:42	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:42	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:42	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:42	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:42	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
2026-02-05 17:16:42	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:42.445534 End time: 2026-02-05 17:16:42.468432
2026-02-05 17:16:42	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:42	INFO	imstat::::casa	##########################################
2026-02-05 17:16:42	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:42	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:42	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39d58m05.8512' )
2026-02-05 17:16:42	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:42	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:42	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:42	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:42	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:43	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:43	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:43	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:43	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:43	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:43	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:43	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 39d58m05.8512' successfully parsed
2026-02-05 17:16:43	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:43	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:43	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:42.482280 End time: 2026-02-05 17:16:42.896602
2026-02-05 17:16:43	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:43	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:43	INFO	tclean::::casa	##########################################
2026-02-05 17:16:43	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:43	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:16:43	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:43	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:43	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:43	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:43	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:43	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:43	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:43	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:43	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:43	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:43	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:43	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010423
2026-02-05 17:16:43	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:43	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:43	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:43	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:43	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:44	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:44	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:16:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:44	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:44	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:44	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:44	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:44	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:44	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:44	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:42.913893 End time: 2026-02-05 17:16:44.156710
2026-02-05 17:16:44	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:44	INFO	tclean::::casa	##########################################
2026-02-05 17:16:44	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:44	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:44	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)
2026-02-05 17:16:44	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:44	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:44 2026******
2026-02-05 17:16:44	INFO	ImageFitter::fit+	
2026-02-05 17:16:44	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:44	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:44	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:44	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:44	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:44	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:44	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:44	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:44	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:44	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:44	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)
2026-02-05 17:16:44	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:44	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:44	INFO	imstat::::casa	##########################################
2026-02-05 17:16:44	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:44	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 )
2026-02-05 17:16:44	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:44	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:44	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:44	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:44	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:44	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)
2026-02-05 17:16:44	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:44	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:44	INFO	imstat::::	Values --- 
2026-02-05 17:16:44	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:44	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:44	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:44	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-02-05 17:16:44	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:44	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:44	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:44	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:44	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:44	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:44	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:44	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:44	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:44	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:44	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:44	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-02-05 17:16:44	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-02-05 17:16:44	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-02-05 17:16:44	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-02-05 17:16:44	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-02-05 17:16:44	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:44	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:44	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:44	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:44	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:44	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:44	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
2026-02-05 17:16:44	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:44.223756 End time: 2026-02-05 17:16:44.249265
2026-02-05 17:16:44	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:44	INFO	imstat::::casa	##########################################
2026-02-05 17:16:44	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:44	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:44	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 19h52m05.65239 02:39:52.3901' )
2026-02-05 17:16:44	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:44	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:44	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:44	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:44	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:44	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:44	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:44	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:44	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:44	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:44	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 ".".
2026-02-05 17:16:44	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 02:39:52.3901' successfully parsed
2026-02-05 17:16:44	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:45	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:45	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:44.264317 End time: 2026-02-05 17:16:44.710997
2026-02-05 17:16:45	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:45	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:45	INFO	tclean::::casa	##########################################
2026-02-05 17:16:45	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:45	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:16:45	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:45	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:45	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:45	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:45	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:45	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:45	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:45	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:45	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:45	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:45	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:45	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:45	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:45	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010761
2026-02-05 17:16:45	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:45	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:45	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:45	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:45	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:46	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:46	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:46	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:46	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:46	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:46	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:44.728420 End time: 2026-02-05 17:16:46.306817
2026-02-05 17:16:46	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:46	INFO	tclean::::casa	##########################################
2026-02-05 17:16:46	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:46	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:46	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)
2026-02-05 17:16:46	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:46	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:46 2026******
2026-02-05 17:16:46	INFO	ImageFitter::fit+	
2026-02-05 17:16:46	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:46	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:46	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:46	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:46	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:46	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:46	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:46	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:46	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:46	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:46	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)
2026-02-05 17:16:46	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00011688 Jy
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126496 Jy
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:46	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:46	INFO	imstat::::casa	##########################################
2026-02-05 17:16:46	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:46	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 )
2026-02-05 17:16:46	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:46	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:46	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:46	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:46	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:46	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)
2026-02-05 17:16:46	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:46	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-02-05 17:16:46	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-02-05 17:16:46	INFO	imstat::::	Values --- 
2026-02-05 17:16:46	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:46	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:46	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:46	INFO	imstat::::	         -- minimum value [min]:                    -7.78225e-05 Jy/beam
2026-02-05 17:16:46	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:46	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:46	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:46	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:46	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:46	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:46	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:46	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:46	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:46	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:46	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:46	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86781e-05 Jy/beam
2026-02-05 17:16:46	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam
2026-02-05 17:16:46	INFO	imstat::::	        -- IQR [quartile]:                          3.56365e-05 Jy/beam
2026-02-05 17:16:46	INFO	imstat::::	        -- First quartile [q1]:                     -3.45278e-05 Jy/beam
2026-02-05 17:16:46	INFO	imstat::::	        -- Third quartile [q3]:                     1.10869e-06 Jy/beam
2026-02-05 17:16:46	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:46	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:46	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:46	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:46	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:46	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:46	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
2026-02-05 17:16:46	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:46.359548 End time: 2026-02-05 17:16:46.381026
2026-02-05 17:16:46	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:46	INFO	imstat::::casa	##########################################
2026-02-05 17:16:46	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:46	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:46	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39.968292000deg' )
2026-02-05 17:16:46	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:46	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:46	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:46	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:46	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:46	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:46	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:46	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:46	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:46	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:47	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:47	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 39.968292000deg' successfully parsed
2026-02-05 17:16:47	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:47	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:47	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:46.392707 End time: 2026-02-05 17:16:46.823510
2026-02-05 17:16:47	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:47	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:47	INFO	tclean::::casa	##########################################
2026-02-05 17:16:47	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:47	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 )
2026-02-05 17:16:47	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:47	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:47	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:47	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:47	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:47	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:47	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:47	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:47	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:47	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:47	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:47	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:47	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:47	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.014431
2026-02-05 17:16:47	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:47	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:47	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:16:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:48	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:48	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:48	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:48	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:48	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:48	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:46.842238 End time: 2026-02-05 17:16:48.159709
2026-02-05 17:16:48	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:48	INFO	tclean::::casa	##########################################
2026-02-05 17:16:48	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:48	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:48	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)
2026-02-05 17:16:48	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:48	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:48 2026******
2026-02-05 17:16:48	INFO	ImageFitter::fit+	
2026-02-05 17:16:48	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:48	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:48	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:48	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:48	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:48	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:48	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:48	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:48	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:48	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:48	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)
2026-02-05 17:16:48	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:48	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:48	INFO	imstat::::casa	##########################################
2026-02-05 17:16:48	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:48	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 )
2026-02-05 17:16:48	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:48	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:48	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:48	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:48	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:48	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)
2026-02-05 17:16:48	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:48	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:48	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:48	INFO	imstat::::	Values --- 
2026-02-05 17:16:48	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:48	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:48	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:48	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-02-05 17:16:48	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:48	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:48	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:48	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:48	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:48	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:48	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:48	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:48	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:48	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:48	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:48	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-02-05 17:16:48	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-02-05 17:16:48	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-02-05 17:16:48	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-02-05 17:16:48	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-02-05 17:16:48	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:48	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:48	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:48	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:48	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:48	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:48	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
2026-02-05 17:16:48	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:48.228467 End time: 2026-02-05 17:16:48.254278
2026-02-05 17:16:48	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:48	INFO	imstat::::casa	##########################################
2026-02-05 17:16:48	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:48	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:48	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 0.697578292rad' )
2026-02-05 17:16:48	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:48	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:48	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:48	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:48	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:48	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:48	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:48	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:48	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:48	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:48	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:48	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 0.697578292rad' successfully parsed
2026-02-05 17:16:48	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:49	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:49	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:48.269387 End time: 2026-02-05 17:16:48.656651
2026-02-05 17:16:49	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:49	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:49	INFO	tclean::::casa	##########################################
2026-02-05 17:16:49	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:49	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 )
2026-02-05 17:16:49	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:49	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:49	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:49	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:49	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:49	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:49	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:49	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:49	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:49	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:49	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:49	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:49	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:49	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.011016
2026-02-05 17:16:49	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:49	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:49	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:50	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:50	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:50	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:50	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:50	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:50	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:48.674379 End time: 2026-02-05 17:16:50.196264
2026-02-05 17:16:50	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:50	INFO	tclean::::casa	##########################################
2026-02-05 17:16:50	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:50	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:50	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)
2026-02-05 17:16:50	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:50	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:50 2026******
2026-02-05 17:16:50	INFO	ImageFitter::fit+	
2026-02-05 17:16:50	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:50	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:50	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:50	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:50	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:50	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:50	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:50	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:50	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:50	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:50	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)
2026-02-05 17:16:50	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:50	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:50	INFO	imstat::::casa	##########################################
2026-02-05 17:16:50	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:50	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 )
2026-02-05 17:16:50	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:50	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:50	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:50	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:50	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:50	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)
2026-02-05 17:16:50	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:50	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:50	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:50	INFO	imstat::::	Values --- 
2026-02-05 17:16:50	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:50	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:50	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:50	INFO	imstat::::	         -- minimum value [min]:                    -7.7789e-05 Jy/beam
2026-02-05 17:16:50	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:50	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:50	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:50	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:50	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:50	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:50	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:50	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:50	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:50	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:50	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:50	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86647e-05 Jy/beam
2026-02-05 17:16:50	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam
2026-02-05 17:16:50	INFO	imstat::::	        -- IQR [quartile]:                          3.56182e-05 Jy/beam
2026-02-05 17:16:50	INFO	imstat::::	        -- First quartile [q1]:                     -3.45079e-05 Jy/beam
2026-02-05 17:16:50	INFO	imstat::::	        -- Third quartile [q3]:                     1.11022e-06 Jy/beam
2026-02-05 17:16:50	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:50	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:50	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:50	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:50	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:50	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:50	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
2026-02-05 17:16:50	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:50.272774 End time: 2026-02-05 17:16:50.299140
2026-02-05 17:16:50	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:50	INFO	imstat::::casa	##########################################
2026-02-05 17:16:50	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:50	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:50	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39d58m05.8512' )
2026-02-05 17:16:50	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:50	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:50	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:50	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:50	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:50	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:50	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:50	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:50	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:50	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:51	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:51	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 39d58m05.8512' successfully parsed
2026-02-05 17:16:51	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:51	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:51	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:50.315560 End time: 2026-02-05 17:16:50.749657
2026-02-05 17:16:51	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:51	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:51	INFO	tclean::::casa	##########################################
2026-02-05 17:16:51	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:51	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 )
2026-02-05 17:16:51	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:51	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:51	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:51	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:51	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:51	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:51	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:51	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:51	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:51	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:51	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:51	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.011458
2026-02-05 17:16:51	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:51	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:51	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:51	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:51	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:52	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:52	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:52	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:52	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:52	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:52	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:50.784807 End time: 2026-02-05 17:16:52.099863
2026-02-05 17:16:52	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:52	INFO	tclean::::casa	##########################################
2026-02-05 17:16:52	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:52	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-02-05 17:16:52	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:52	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:52 2026******
2026-02-05 17:16:52	INFO	ImageFitter::fit+	
2026-02-05 17:16:52	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:52	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:52	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:52	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:52	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:52	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:52	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:52	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:52	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:52	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-02-05 17:16:52	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000009 +/- 0.000127 pixels
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:52	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:52	INFO	imstat::::casa	##########################################
2026-02-05 17:16:52	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:52	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-02-05 17:16:52	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:52	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:52	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:52	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:52	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:52	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-02-05 17:16:52	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:52	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:52	INFO	imstat::::	Values --- 
2026-02-05 17:16:52	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:52	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:52	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:52	INFO	imstat::::	         -- minimum value [min]:                    -7.77773e-05 Jy/beam
2026-02-05 17:16:52	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:52	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:16:52	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:52	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-02-05 17:16:52	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:52	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:52	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:52	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:52	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:52	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:52	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:52	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86786e-05 Jy/beam
2026-02-05 17:16:52	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam
2026-02-05 17:16:52	INFO	imstat::::	        -- IQR [quartile]:                          3.56014e-05 Jy/beam
2026-02-05 17:16:52	INFO	imstat::::	        -- First quartile [q1]:                     -3.45038e-05 Jy/beam
2026-02-05 17:16:52	INFO	imstat::::	        -- Third quartile [q3]:                     1.09758e-06 Jy/beam
2026-02-05 17:16:52	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:52	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:52	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:52	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:52	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:52	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:52	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
2026-02-05 17:16:52	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:52.148976 End time: 2026-02-05 17:16:52.170046
2026-02-05 17:16:52	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:52	INFO	imstat::::casa	##########################################
2026-02-05 17:16:52	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:52	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:52	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 02:39:52.3901' )
2026-02-05 17:16:52	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:52	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:52	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:52	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:52	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:52	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:52	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:52	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:52	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:52	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:52	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 ".".
2026-02-05 17:16:52	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 02:39:52.3901' successfully parsed
2026-02-05 17:16:52	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:53	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:53	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:52.183059 End time: 2026-02-05 17:16:52.583117
2026-02-05 17:16:53	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:53	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:53	INFO	tclean::::casa	##########################################
2026-02-05 17:16:53	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:53	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:16:53	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:53	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:53	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:53	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:53	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:53	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:53	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:53	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:53	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:53	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:53	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:53	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:53	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:53	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010509
2026-02-05 17:16:53	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:53	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:53	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:53	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:53	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:16:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:54	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:54	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:54	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:54	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:54	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:54	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:52.609754 End time: 2026-02-05 17:16:53.862537
2026-02-05 17:16:54	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:54	INFO	tclean::::casa	##########################################
2026-02-05 17:16:54	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:54	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:54	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)
2026-02-05 17:16:54	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:54	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:54 2026******
2026-02-05 17:16:54	INFO	ImageFitter::fit+	
2026-02-05 17:16:54	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:54	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:54	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:54	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:54	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:54	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:54	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:54	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:54	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:54	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:54	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)
2026-02-05 17:16:54	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116878 Jy
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126494 Jy
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000008 +/- 0.000127 pixels
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:54	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:54	INFO	imstat::::casa	##########################################
2026-02-05 17:16:54	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:54	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 )
2026-02-05 17:16:54	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:54	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:54	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:54	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:54	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:54	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)
2026-02-05 17:16:54	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:54	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-02-05 17:16:54	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-02-05 17:16:54	INFO	imstat::::	Values --- 
2026-02-05 17:16:54	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:54	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:54	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:54	INFO	imstat::::	         -- minimum value [min]:                    -7.78143e-05 Jy/beam
2026-02-05 17:16:54	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:54	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:54	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:54	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:54	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:54	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:54	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:54	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:54	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:54	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:54	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:54	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86838e-05 Jy/beam
2026-02-05 17:16:54	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73769e-05 Jy/beam
2026-02-05 17:16:54	INFO	imstat::::	        -- IQR [quartile]:                          3.5634e-05 Jy/beam
2026-02-05 17:16:54	INFO	imstat::::	        -- First quartile [q1]:                     -3.45216e-05 Jy/beam
2026-02-05 17:16:54	INFO	imstat::::	        -- Third quartile [q3]:                     1.1124e-06 Jy/beam
2026-02-05 17:16:54	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:54	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:54	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:54	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:54	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:54	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:54	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
2026-02-05 17:16:54	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:53.906083 End time: 2026-02-05 17:16:53.927184
2026-02-05 17:16:54	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:54	INFO	imstat::::casa	##########################################
2026-02-05 17:16:54	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:54	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:54	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39.968292000deg' )
2026-02-05 17:16:54	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:54	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:54	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:54	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:54	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:54	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:54	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:54	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:54	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:54	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:54	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:54	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 39.968292000deg' successfully parsed
2026-02-05 17:16:54	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:54	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:54	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:53.940393 End time: 2026-02-05 17:16:54.352923
2026-02-05 17:16:54	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:54	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:54	INFO	tclean::::casa	##########################################
2026-02-05 17:16:54	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:54	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 )
2026-02-05 17:16:54	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:54	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:54	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:55	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:55	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:55	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:55	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:55	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:55	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:55	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:55	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:55	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:55	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:55	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010208
2026-02-05 17:16:55	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:55	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:55	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:16:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:56	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:56	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:56	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:56	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:56	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:56	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:54.374265 End time: 2026-02-05 17:16:55.853739
2026-02-05 17:16:56	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:56	INFO	tclean::::casa	##########################################
2026-02-05 17:16:56	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:56	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:56	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)
2026-02-05 17:16:56	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:56	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:56 2026******
2026-02-05 17:16:56	INFO	ImageFitter::fit+	
2026-02-05 17:16:56	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:56	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:56	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:56	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:56	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:56	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:56	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:56	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:56	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:56	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:56	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)
2026-02-05 17:16:56	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000009 +/- 0.000127 pixels
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:56	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:56	INFO	imstat::::casa	##########################################
2026-02-05 17:16:56	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:56	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 )
2026-02-05 17:16:56	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:56	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:56	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:56	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:56	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:56	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)
2026-02-05 17:16:56	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:56	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:56	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:56	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:56	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:56	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:56	INFO	imstat::::	Values --- 
2026-02-05 17:16:56	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:56	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:56	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:56	INFO	imstat::::	         -- minimum value [min]:                    -7.77773e-05 Jy/beam
2026-02-05 17:16:56	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:56	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-02-05 17:16:56	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:56	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-02-05 17:16:56	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:56	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:56	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:56	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:56	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:56	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:56	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:56	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86786e-05 Jy/beam
2026-02-05 17:16:56	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam
2026-02-05 17:16:56	INFO	imstat::::	        -- IQR [quartile]:                          3.56014e-05 Jy/beam
2026-02-05 17:16:56	INFO	imstat::::	        -- First quartile [q1]:                     -3.45038e-05 Jy/beam
2026-02-05 17:16:56	INFO	imstat::::	        -- Third quartile [q3]:                     1.09758e-06 Jy/beam
2026-02-05 17:16:56	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:56	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:56	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:56	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:56	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:56	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:56	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
2026-02-05 17:16:56	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:55.928703 End time: 2026-02-05 17:16:55.956347
2026-02-05 17:16:56	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:56	INFO	imstat::::casa	##########################################
2026-02-05 17:16:56	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:56	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:56	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 19:52:05.6524 0.697578292rad' )
2026-02-05 17:16:56	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:56	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:56	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:56	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:56	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:56	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:56	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:56	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:56	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:56	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:56	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:56	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 0.697578292rad' successfully parsed
2026-02-05 17:16:56	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:56	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:56	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:55.972711 End time: 2026-02-05 17:16:56.392050
2026-02-05 17:16:56	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:56	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:56	INFO	tclean::::casa	##########################################
2026-02-05 17:16:56	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:56	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 )
2026-02-05 17:16:56	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:56	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:56	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:56	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:56	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:57	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:57	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:57	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:57	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:57	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:57	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:57	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:57	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:57	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010047
2026-02-05 17:16:57	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:57	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:57	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:57	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:57	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:16:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:16:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:16:58	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:16:58	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:16:58	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:16:58	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:58	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:16:58	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:56.409175 End time: 2026-02-05 17:16:57.834303
2026-02-05 17:16:58	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:16:58	INFO	tclean::::casa	##########################################
2026-02-05 17:16:58	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:16:58	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:58	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-02-05 17:16:58	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:16:58	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:16:58 2026******
2026-02-05 17:16:58	INFO	ImageFitter::fit+	
2026-02-05 17:16:58	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:16:58	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:16:58	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:16:58	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:16:58	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:16:58	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:16:58	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:16:58	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:16:58	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:16:58	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:58	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-02-05 17:16:58	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126487 Jy
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000009 +/- 0.000127 pixels
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:16:58	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:16:58	INFO	imstat::::casa	##########################################
2026-02-05 17:16:58	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:16:58	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-02-05 17:16:58	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:16:58	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:16:58	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:16:58	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:16:58	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:16:58	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-02-05 17:16:58	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:16:58	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:16:58	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:16:58	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:16:58	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:16:58	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:16:58	INFO	imstat::::	Values --- 
2026-02-05 17:16:58	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:16:58	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:16:58	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:16:58	INFO	imstat::::	         -- minimum value [min]:                    -7.7781e-05 Jy/beam
2026-02-05 17:16:58	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:16:58	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:16:58	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:16:58	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:16:58	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:16:58	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:16:58	INFO	imstat::::	Statistics --- 
2026-02-05 17:16:58	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:16:58	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:16:58	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:16:58	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:16:58	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86714e-05 Jy/beam
2026-02-05 17:16:58	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73593e-05 Jy/beam
2026-02-05 17:16:58	INFO	imstat::::	        -- IQR [quartile]:                          3.56161e-05 Jy/beam
2026-02-05 17:16:58	INFO	imstat::::	        -- First quartile [q1]:                     -3.45125e-05 Jy/beam
2026-02-05 17:16:58	INFO	imstat::::	        -- Third quartile [q3]:                     1.10364e-06 Jy/beam
2026-02-05 17:16:58	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:16:58	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:16:58	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:16:58	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:16:58	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:16:58	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:16:58	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
2026-02-05 17:16:58	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:57.876479 End time: 2026-02-05 17:16:57.895873
2026-02-05 17:16:58	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:16:58	INFO	imstat::::casa	##########################################
2026-02-05 17:16:58	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:58	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:16:58	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39d58m05.8512' )
2026-02-05 17:16:58	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:16:58	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:16:58	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:16:58	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:16:58	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:16:58	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:16:58	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:16:58	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:16:58	INFO	MSTransformManager::open	Select data
2026-02-05 17:16:58	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:16:58	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:16:58	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 39d58m05.8512' successfully parsed
2026-02-05 17:16:58	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:16:58	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:16:58	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:57.907373 End time: 2026-02-05 17:16:58.332556
2026-02-05 17:16:58	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:16:58	INFO	phaseshift::::casa	##########################################
2026-02-05 17:16:58	INFO	tclean::::casa	##########################################
2026-02-05 17:16:58	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:16:58	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 )
2026-02-05 17:16:58	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:16:58	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:16:58	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:16:58	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:58	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:16:58	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:16:58	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:16:58	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:16:58	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:16:58	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:16:58	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:16:58	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:16:59	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:16:59	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.018011
2026-02-05 17:16:59	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:16:59	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:16:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:16:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:16:59	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:16:59	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:16:59	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:16:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:16:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:16:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:16:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:16:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:16:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:16:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:16:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:16:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:16:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:16:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:16:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:16:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:16:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:16:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:16:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:16:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:16:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:16:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:16:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:17:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:17:00	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:17:00	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:17:00	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:17:00	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:00	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:17:00	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:16:58.349775 End time: 2026-02-05 17:16:59.768438
2026-02-05 17:17:00	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:17:00	INFO	tclean::::casa	##########################################
2026-02-05 17:17:00	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:17:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:00	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)
2026-02-05 17:17:00	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:17:00	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:17:00 2026******
2026-02-05 17:17:00	INFO	ImageFitter::fit+	
2026-02-05 17:17:00	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:17:00	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:17:00	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:17:00	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:17:00	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:17:00	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:17:00	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:17:00	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:17:00	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:17:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:00	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)
2026-02-05 17:17:00	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:17:00	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:17:00	INFO	imstat::::casa	##########################################
2026-02-05 17:17:00	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:17:00	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 )
2026-02-05 17:17:00	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:17:00	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:17:00	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:17:00	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:17:00	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:00	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)
2026-02-05 17:17:00	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:17:00	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:17:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:17:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:17:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:17:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:17:00	INFO	imstat::::	Values --- 
2026-02-05 17:17:00	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:17:00	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:17:00	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:17:00	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-02-05 17:17:00	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:17:00	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:17:00	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:17:00	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:17:00	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:17:00	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:17:00	INFO	imstat::::	Statistics --- 
2026-02-05 17:17:00	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:17:00	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:17:00	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:17:00	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:17:00	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-02-05 17:17:00	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-02-05 17:17:00	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-02-05 17:17:00	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-02-05 17:17:00	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-02-05 17:17:00	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:17:00	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:17:00	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:17:00	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:17:00	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:17:00	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:17:00	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
2026-02-05 17:17:00	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:16:59.810111 End time: 2026-02-05 17:16:59.830041
2026-02-05 17:17:00	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:17:00	INFO	imstat::::casa	##########################################
2026-02-05 17:17:00	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:00	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:17:00	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 298.023551625deg 02:39:52.3901' )
2026-02-05 17:17:00	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:17:00	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:17:00	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:17:00	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:17:00	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:17:00	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:17:00	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:17:00	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:17:00	INFO	MSTransformManager::open	Select data
2026-02-05 17:17:00	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:17:00	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-02-05 17:17:00	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 02:39:52.3901' successfully parsed
2026-02-05 17:17:00	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:17:00	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:17:00	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:16:59.842179 End time: 2026-02-05 17:17:00.280552
2026-02-05 17:17:00	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:17:00	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:00	INFO	tclean::::casa	##########################################
2026-02-05 17:17:00	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:17:00	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 )
2026-02-05 17:17:00	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:17:00	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:17:00	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:17:00	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:00	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:00	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:17:00	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:17:00	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:17:00	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:17:00	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:17:00	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:17:00	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:17:01	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:17:01	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.011458
2026-02-05 17:17:01	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:01	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:17:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:17:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:17:01	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:17:01	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:17:01	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:17:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:17:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:17:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:17:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:17:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:17:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:17:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:17:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:17:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:17:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:17:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:17:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:17:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:17:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:17:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:17:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:17:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:17:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:17:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:17:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:17:02	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:17:02	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:17:02	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:17:02	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:02	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:17:02	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:17:00.311590 End time: 2026-02-05 17:17:01.677355
2026-02-05 17:17:02	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:17:02	INFO	tclean::::casa	##########################################
2026-02-05 17:17:02	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:17:02	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:02	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)
2026-02-05 17:17:02	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:17:02	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:17:02 2026******
2026-02-05 17:17:02	INFO	ImageFitter::fit+	
2026-02-05 17:17:02	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:17:02	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:17:02	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:17:02	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:17:02	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:17:02	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:17:02	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:17:02	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:17:02	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:17:02	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:02	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)
2026-02-05 17:17:02	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00011688 Jy
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126496 Jy
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:17:02	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:17:02	INFO	imstat::::casa	##########################################
2026-02-05 17:17:02	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:17:02	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 )
2026-02-05 17:17:02	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:17:02	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:17:02	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:17:02	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:17:02	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:02	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)
2026-02-05 17:17:02	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:17:02	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:17:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:17:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:17:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-02-05 17:17:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-02-05 17:17:02	INFO	imstat::::	Values --- 
2026-02-05 17:17:02	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:17:02	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:17:02	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:17:02	INFO	imstat::::	         -- minimum value [min]:                    -7.78225e-05 Jy/beam
2026-02-05 17:17:02	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:17:02	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:17:02	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:17:02	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:17:02	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:17:02	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:17:02	INFO	imstat::::	Statistics --- 
2026-02-05 17:17:02	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:17:02	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:17:02	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:17:02	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:17:02	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86781e-05 Jy/beam
2026-02-05 17:17:02	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam
2026-02-05 17:17:02	INFO	imstat::::	        -- IQR [quartile]:                          3.56365e-05 Jy/beam
2026-02-05 17:17:02	INFO	imstat::::	        -- First quartile [q1]:                     -3.45278e-05 Jy/beam
2026-02-05 17:17:02	INFO	imstat::::	        -- Third quartile [q3]:                     1.10869e-06 Jy/beam
2026-02-05 17:17:02	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:17:02	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:17:02	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:17:02	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:17:02	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:17:02	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:17:02	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
2026-02-05 17:17:02	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:17:01.723307 End time: 2026-02-05 17:17:01.743279
2026-02-05 17:17:02	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:17:02	INFO	imstat::::casa	##########################################
2026-02-05 17:17:02	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:02	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:17:02	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39.968292000deg' )
2026-02-05 17:17:02	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:17:02	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:17:02	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:17:02	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:17:02	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:17:02	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:17:02	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:17:02	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:17:02	INFO	MSTransformManager::open	Select data
2026-02-05 17:17:02	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:17:02	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:17:02	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 39.968292000deg' successfully parsed
2026-02-05 17:17:02	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:17:02	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:17:02	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:17:01.755221 End time: 2026-02-05 17:17:02.133398
2026-02-05 17:17:02	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:17:02	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:02	INFO	tclean::::casa	##########################################
2026-02-05 17:17:02	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:17:02	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 )
2026-02-05 17:17:02	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:17:02	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:17:02	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:17:02	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:02	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:02	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:17:02	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:17:02	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:17:02	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:17:02	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:17:02	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:17:02	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:17:02	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:17:02	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010159
2026-02-05 17:17:02	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:02	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:17:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:17:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:17:03	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:17:03	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:17:03	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:17:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:17:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:17:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:17:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:17:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:17:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:17:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:17:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:17:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:17:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:17:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:17:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:17:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:17:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:17:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:17:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:17:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:17:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:17:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:17:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:17:03	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:17:03	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:17:03	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:17:03	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:03	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:17:04	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:17:02.152262 End time: 2026-02-05 17:17:03.551112
2026-02-05 17:17:04	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:17:04	INFO	tclean::::casa	##########################################
2026-02-05 17:17:04	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:17:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:04	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)
2026-02-05 17:17:04	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:17:04	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:17:04 2026******
2026-02-05 17:17:04	INFO	ImageFitter::fit+	
2026-02-05 17:17:04	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:17:04	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:17:04	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:17:04	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:17:04	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:17:04	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:17:04	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:17:04	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:17:04	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:17:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:04	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)
2026-02-05 17:17:04	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:17:04	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:17:04	INFO	imstat::::casa	##########################################
2026-02-05 17:17:04	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:17:04	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 )
2026-02-05 17:17:04	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:17:04	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:17:04	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:17:04	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:17:04	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:04	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)
2026-02-05 17:17:04	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:17:04	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:17:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:17:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:17:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:17:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:17:04	INFO	imstat::::	Values --- 
2026-02-05 17:17:04	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:17:04	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:17:04	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:17:04	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-02-05 17:17:04	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:17:04	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:17:04	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:17:04	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:17:04	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:17:04	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:17:04	INFO	imstat::::	Statistics --- 
2026-02-05 17:17:04	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:17:04	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:17:04	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:17:04	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:17:04	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-02-05 17:17:04	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-02-05 17:17:04	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-02-05 17:17:04	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-02-05 17:17:04	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-02-05 17:17:04	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:17:04	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:17:04	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:17:04	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:17:04	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:17:04	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:17:04	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
2026-02-05 17:17:04	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:17:03.597976 End time: 2026-02-05 17:17:03.618169
2026-02-05 17:17:04	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:17:04	INFO	imstat::::casa	##########################################
2026-02-05 17:17:04	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:04	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:17:04	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 0.697578292rad' )
2026-02-05 17:17:04	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:17:04	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:17:04	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:17:04	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:17:04	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:17:04	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:17:04	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:17:04	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:17:04	INFO	MSTransformManager::open	Select data
2026-02-05 17:17:04	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:17:04	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:17:04	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 0.697578292rad' successfully parsed
2026-02-05 17:17:04	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:17:04	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:17:04	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:17:03.631190 End time: 2026-02-05 17:17:04.127314
2026-02-05 17:17:04	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:17:04	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:04	INFO	tclean::::casa	##########################################
2026-02-05 17:17:04	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:17:04	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 )
2026-02-05 17:17:04	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:17:04	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:17:04	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:17:04	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:04	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:04	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:17:04	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:17:04	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:17:04	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:17:04	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:17:04	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:17:04	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:17:04	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:17:04	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010551
2026-02-05 17:17:04	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:04	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:17:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:17:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:17:05	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:17:05	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:17:05	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:17:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:17:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:17:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:17:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:17:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:17:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:17:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:17:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:17:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:17:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:17:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:17:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:17:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:17:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:17:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:17:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:17:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:17:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:17:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:17:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:17:05	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:17:05	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:17:05	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:17:06	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:06	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:17:06	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:17:04.146204 End time: 2026-02-05 17:17:05.595951
2026-02-05 17:17:06	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:17:06	INFO	tclean::::casa	##########################################
2026-02-05 17:17:06	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:17:06	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:06	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)
2026-02-05 17:17:06	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:17:06	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:17:06 2026******
2026-02-05 17:17:06	INFO	ImageFitter::fit+	
2026-02-05 17:17:06	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:17:06	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:17:06	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:17:06	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:17:06	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:17:06	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:17:06	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:17:06	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:17:06	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:17:06	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:06	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)
2026-02-05 17:17:06	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:17:06	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:17:06	INFO	imstat::::casa	##########################################
2026-02-05 17:17:06	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:17:06	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 )
2026-02-05 17:17:06	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:17:06	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:17:06	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:17:06	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:17:06	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:06	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)
2026-02-05 17:17:06	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:17:06	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:17:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:17:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:17:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:17:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:17:06	INFO	imstat::::	Values --- 
2026-02-05 17:17:06	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:17:06	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:17:06	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:17:06	INFO	imstat::::	         -- minimum value [min]:                    -7.7789e-05 Jy/beam
2026-02-05 17:17:06	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:17:06	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:17:06	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:17:06	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:17:06	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:17:06	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:17:06	INFO	imstat::::	Statistics --- 
2026-02-05 17:17:06	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:17:06	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:17:06	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:17:06	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:17:06	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86647e-05 Jy/beam
2026-02-05 17:17:06	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam
2026-02-05 17:17:06	INFO	imstat::::	        -- IQR [quartile]:                          3.56182e-05 Jy/beam
2026-02-05 17:17:06	INFO	imstat::::	        -- First quartile [q1]:                     -3.45079e-05 Jy/beam
2026-02-05 17:17:06	INFO	imstat::::	        -- Third quartile [q3]:                     1.11022e-06 Jy/beam
2026-02-05 17:17:06	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:17:06	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:17:06	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:17:06	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:17:06	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:17:06	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:17:06	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
2026-02-05 17:17:06	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:17:05.668089 End time: 2026-02-05 17:17:05.694267
2026-02-05 17:17:06	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:17:06	INFO	imstat::::casa	##########################################
2026-02-05 17:17:06	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:06	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:17:06	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39d58m05.8512' )
2026-02-05 17:17:06	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:17:06	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:17:06	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:17:06	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:17:06	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:17:06	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:17:06	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:17:06	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:17:06	INFO	MSTransformManager::open	Select data
2026-02-05 17:17:06	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:17:06	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:17:06	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 39d58m05.8512' successfully parsed
2026-02-05 17:17:06	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:17:06	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:17:06	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:17:05.709785 End time: 2026-02-05 17:17:06.124729
2026-02-05 17:17:06	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:17:06	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:06	INFO	tclean::::casa	##########################################
2026-02-05 17:17:06	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:17:06	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 )
2026-02-05 17:17:06	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:17:06	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:17:06	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:17:06	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:06	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:06	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:17:06	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:17:06	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:17:06	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:17:06	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:17:06	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:17:06	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:17:06	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:17:06	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010375
2026-02-05 17:17:06	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:06	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:17:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:17:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:17:07	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:17:07	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:17:07	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:17:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:17:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:17:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:17:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:17:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:17:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:17:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:17:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:17:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:17:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:17:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:17:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:17:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:17:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:17:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:17:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:17:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:17:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:17:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:17:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:17:07	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:17:07	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:17:07	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:17:07	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:07	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:17:08	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:17:06.142509 End time: 2026-02-05 17:17:07.500020
2026-02-05 17:17:08	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:17:08	INFO	tclean::::casa	##########################################
2026-02-05 17:17:08	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:17:08	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:08	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-02-05 17:17:08	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:17:08	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:17:08 2026******
2026-02-05 17:17:08	INFO	ImageFitter::fit+	
2026-02-05 17:17:08	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:17:08	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:17:08	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:17:08	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:17:08	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:17:08	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:17:08	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:17:08	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:17:08	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:17:08	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:08	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-02-05 17:17:08	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116879 Jy
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126495 Jy
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:17:08	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:17:08	INFO	imstat::::casa	##########################################
2026-02-05 17:17:08	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:17:08	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-02-05 17:17:08	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:17:08	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:17:08	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:17:08	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:17:08	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:08	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-02-05 17:17:08	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:17:08	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:17:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:17:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:17:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:17:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:17:08	INFO	imstat::::	Values --- 
2026-02-05 17:17:08	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:17:08	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:17:08	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:17:08	INFO	imstat::::	         -- minimum value [min]:                    -7.77853e-05 Jy/beam
2026-02-05 17:17:08	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:17:08	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:17:08	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:17:08	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:17:08	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:17:08	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:17:08	INFO	imstat::::	Statistics --- 
2026-02-05 17:17:08	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:17:08	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:17:08	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:17:08	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:17:08	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86679e-05 Jy/beam
2026-02-05 17:17:08	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam
2026-02-05 17:17:08	INFO	imstat::::	        -- IQR [quartile]:                          3.56112e-05 Jy/beam
2026-02-05 17:17:08	INFO	imstat::::	        -- First quartile [q1]:                     -3.45109e-05 Jy/beam
2026-02-05 17:17:08	INFO	imstat::::	        -- Third quartile [q3]:                     1.10039e-06 Jy/beam
2026-02-05 17:17:08	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:17:08	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:17:08	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:17:08	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:17:08	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:17:08	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:17:08	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
2026-02-05 17:17:08	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:17:07.565438 End time: 2026-02-05 17:17:07.590746
2026-02-05 17:17:08	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:17:08	INFO	imstat::::casa	##########################################
2026-02-05 17:17:08	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:08	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:17:08	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 02:39:52.3901' )
2026-02-05 17:17:08	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:17:08	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:17:08	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:17:08	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:17:08	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:17:08	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:17:08	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:17:08	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:17:08	INFO	MSTransformManager::open	Select data
2026-02-05 17:17:08	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:17:08	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 ".".
2026-02-05 17:17:08	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 02:39:52.3901' successfully parsed
2026-02-05 17:17:08	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:17:08	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:17:08	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:17:07.605466 End time: 2026-02-05 17:17:07.986405
2026-02-05 17:17:08	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:17:08	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:08	INFO	tclean::::casa	##########################################
2026-02-05 17:17:08	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:17:08	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 )
2026-02-05 17:17:08	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:17:08	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:17:08	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:17:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:08	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:17:08	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:17:08	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:17:08	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:17:08	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:17:08	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:17:08	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:17:08	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:17:08	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010194
2026-02-05 17:17:08	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:08	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:17:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:17:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:17:08	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:17:08	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:17:08	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:17:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:17:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:17:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:17:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:17:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:17:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:17:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:17:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:17:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:17:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:17:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:17:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:17:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:17:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:17:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:17:09	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-02-05 17:17:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:17:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:17:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:17:09	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:17:09	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:17:09	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:17:09	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:17:09	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:09	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:17:09	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:17:08.004091 End time: 2026-02-05 17:17:09.358606
2026-02-05 17:17:09	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:17:09	INFO	tclean::::casa	##########################################
2026-02-05 17:17:09	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:17:09	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:09	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)
2026-02-05 17:17:09	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:17:09	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:17:09 2026******
2026-02-05 17:17:09	INFO	ImageFitter::fit+	
2026-02-05 17:17:09	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:17:09	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:17:09	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:17:09	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:17:09	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:17:09	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:17:09	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:17:09	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:17:09	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:17:09	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:09	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)
2026-02-05 17:17:09	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116885 Jy
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126501 Jy
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:17:09	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:17:09	INFO	imstat::::casa	##########################################
2026-02-05 17:17:09	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:17:09	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 )
2026-02-05 17:17:09	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:17:09	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:17:09	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:17:09	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:17:09	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:09	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)
2026-02-05 17:17:09	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:17:09	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:17:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:17:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:17:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-02-05 17:17:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-02-05 17:17:09	INFO	imstat::::	Values --- 
2026-02-05 17:17:09	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:17:09	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:17:09	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:17:09	INFO	imstat::::	         -- minimum value [min]:                    -7.78268e-05 Jy/beam
2026-02-05 17:17:09	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:17:09	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:17:09	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:17:09	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:17:09	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:17:09	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:17:09	INFO	imstat::::	Statistics --- 
2026-02-05 17:17:09	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:17:09	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:17:09	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:17:09	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:17:09	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.8675e-05 Jy/beam
2026-02-05 17:17:09	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73782e-05 Jy/beam
2026-02-05 17:17:09	INFO	imstat::::	        -- IQR [quartile]:                          3.56598e-05 Jy/beam
2026-02-05 17:17:09	INFO	imstat::::	        -- First quartile [q1]:                     -3.45364e-05 Jy/beam
2026-02-05 17:17:09	INFO	imstat::::	        -- Third quartile [q3]:                     1.12335e-06 Jy/beam
2026-02-05 17:17:09	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:17:09	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:17:09	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:17:09	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:17:09	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:17:09	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:17:09	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
2026-02-05 17:17:09	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:17:09.437897 End time: 2026-02-05 17:17:09.465420
2026-02-05 17:17:09	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:17:09	INFO	imstat::::casa	##########################################
2026-02-05 17:17:09	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:09	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:17:09	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' )
2026-02-05 17:17:09	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:17:09	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:17:09	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:17:09	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:17:09	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:17:10	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:17:10	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:17:10	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:17:10	INFO	MSTransformManager::open	Select data
2026-02-05 17:17:10	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:17:10	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:17:10	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 39.968292000deg' successfully parsed
2026-02-05 17:17:10	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:17:10	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:17:10	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:17:09.481907 End time: 2026-02-05 17:17:09.907784
2026-02-05 17:17:10	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:17:10	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:10	INFO	tclean::::casa	##########################################
2026-02-05 17:17:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:17:10	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 )
2026-02-05 17:17:10	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:17:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:17:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:17:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:10	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:17:10	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:17:10	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:17:10	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:17:10	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:17:10	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:17:10	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:17:10	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:17:10	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010173
2026-02-05 17:17:10	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:10	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:17:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:17:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:17:10	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:17:10	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:17:10	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:17:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:17:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:17:10	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:17:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:17:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:17:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:17:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:17:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:17:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:17:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:17:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:17:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:17:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:17:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:17:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:17:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:17:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:17:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:17:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:17:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:17:11	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:17:11	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:17:11	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:17:11	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:11	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:17:11	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:17:09.925252 End time: 2026-02-05 17:17:11.414866
2026-02-05 17:17:11	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:17:11	INFO	tclean::::casa	##########################################
2026-02-05 17:17:11	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:17:11	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:11	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-02-05 17:17:11	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:17:11	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:17:11 2026******
2026-02-05 17:17:11	INFO	ImageFitter::fit+	
2026-02-05 17:17:11	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:17:11	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:17:11	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:17:11	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:17:11	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:17:11	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:17:11	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:17:11	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:17:11	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:17:11	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:11	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-02-05 17:17:11	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116879 Jy
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126495 Jy
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:17:11	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:17:11	INFO	imstat::::casa	##########################################
2026-02-05 17:17:11	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:17:11	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-02-05 17:17:11	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:17:11	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:17:11	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:17:11	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:17:12	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:12	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)
2026-02-05 17:17:12	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:17:12	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:17:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:17:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:17:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:17:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:17:12	INFO	imstat::::	Values --- 
2026-02-05 17:17:12	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:17:12	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:17:12	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:17:12	INFO	imstat::::	         -- minimum value [min]:                    -7.77853e-05 Jy/beam
2026-02-05 17:17:12	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:17:12	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:17:12	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:17:12	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:17:12	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:17:12	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:17:12	INFO	imstat::::	Statistics --- 
2026-02-05 17:17:12	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:17:12	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:17:12	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:17:12	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:17:12	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86679e-05 Jy/beam
2026-02-05 17:17:12	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam
2026-02-05 17:17:12	INFO	imstat::::	        -- IQR [quartile]:                          3.56112e-05 Jy/beam
2026-02-05 17:17:12	INFO	imstat::::	        -- First quartile [q1]:                     -3.45109e-05 Jy/beam
2026-02-05 17:17:12	INFO	imstat::::	        -- Third quartile [q3]:                     1.10039e-06 Jy/beam
2026-02-05 17:17:12	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:17:12	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:17:12	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:17:12	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:17:12	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:17:12	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:17:12	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
2026-02-05 17:17:12	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:17:11.481974 End time: 2026-02-05 17:17:11.522753
2026-02-05 17:17:12	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:17:12	INFO	imstat::::casa	##########################################
2026-02-05 17:17:12	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:12	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-02-05 17:17:12	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 5.201492224rad 0.697578292rad' )
2026-02-05 17:17:12	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-02-05 17:17:12	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-02-05 17:17:12	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-02-05 17:17:12	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-02-05 17:17:12	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-02-05 17:17:12	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-02-05 17:17:12	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-02-05 17:17:12	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-02-05 17:17:12	INFO	MSTransformManager::open	Select data
2026-02-05 17:17:12	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-02-05 17:17:12	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-02-05 17:17:12	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 0.697578292rad' successfully parsed
2026-02-05 17:17:12	INFO	phaseshift::::casa	Shift phase center
2026-02-05 17:17:12	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-02-05 17:17:12	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-02-05 17:17:11.544683 End time: 2026-02-05 17:17:12.048052
2026-02-05 17:17:12	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-02-05 17:17:12	INFO	phaseshift::::casa	##########################################
2026-02-05 17:17:12	INFO	tclean::::casa	##########################################
2026-02-05 17:17:12	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-02-05 17:17:12	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-02-05 17:17:12	INFO	tclean::::casa	Verifying Input Parameters
2026-02-05 17:17:12	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-02-05 17:17:12	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-02-05 17:17:12	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:12	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-02-05 17:17:12	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-02-05 17:17:12	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-02-05 17:17:12	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-02-05 17:17:12	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 10.72 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-02-05 17:17:12	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-02-05 17:17:12	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-02-05 17:17:12	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-02-05 17:17:12	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-02-05 17:17:12	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.010528
2026-02-05 17:17:12	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:12	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-02-05 17:17:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-02-05 17:17:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-02-05 17:17:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-02-05 17:17:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-02-05 17:17:13	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-02-05 17:17:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-02-05 17:17:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-02-05 17:17:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-02-05 17:17:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-02-05 17:17:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-02-05 17:17:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-02-05 17:17:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-02-05 17:17:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-02-05 17:17:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-02-05 17:17:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-02-05 17:17:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-02-05 17:17:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-02-05 17:17:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-02-05 17:17:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-02-05 17:17:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-02-05 17:17:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-02-05 17:17:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-02-05 17:17:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-02-05 17:17:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-02-05 17:17:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-02-05 17:17:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-02-05 17:17:13	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-02-05 17:17:13	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-02-05 17:17:13	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-02-05 17:17:13	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-02-05 17:17:13	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.psf', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.model', 'im_post_phaseshift.image', 'im_post_phaseshift.pb']
2026-02-05 17:17:14	INFO	tclean::::casa	Task tclean complete. Start time: 2026-02-05 17:17:12.084403 End time: 2026-02-05 17:17:13.521914
2026-02-05 17:17:14	INFO	tclean::::casa	##### End Task: tclean               #####
2026-02-05 17:17:14	INFO	tclean::::casa	##########################################
2026-02-05 17:17:14	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-02-05 17:17:14	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:14	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)
2026-02-05 17:17:14	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-02-05 17:17:14	INFO	ImageFitter::fit	****** Fit performed at Thu Feb 5 17:17:14 2026******
2026-02-05 17:17:14	INFO	ImageFitter::fit+	
2026-02-05 17:17:14	INFO	ImageFitter::fit+	Input parameters ---
2026-02-05 17:17:14	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-02-05 17:17:14	INFO	ImageFitter::fit+	       --- region:              
2026-02-05 17:17:14	INFO	ImageFitter::fit+	       --- channel:             0
2026-02-05 17:17:14	INFO	ImageFitter::fit+	       --- stokes:              I
2026-02-05 17:17:14	INFO	ImageFitter::fit+	       --- mask:                
2026-02-05 17:17:14	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-02-05 17:17:14	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-02-05 17:17:14	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-02-05 17:17:14	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:14	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)
2026-02-05 17:17:14	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	Position ---
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	Flux ---
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-02-05 17:17:14	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-02-05 17:17:14	INFO	imstat::::casa	##########################################
2026-02-05 17:17:14	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-02-05 17:17:14	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 )
2026-02-05 17:17:14	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-02-05 17:17:14	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-02-05 17:17:14	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-02-05 17:17:14	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-02-05 17:17:14	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-02-05 17:17:14	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)
2026-02-05 17:17:14	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-02-05 17:17:14	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-02-05 17:17:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-02-05 17:17:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-02-05 17:17:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-02-05 17:17:14	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-02-05 17:17:14	INFO	imstat::::	Values --- 
2026-02-05 17:17:14	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-02-05 17:17:14	INFO	imstat::::	         -- number of points [npts]:                65536
2026-02-05 17:17:14	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-02-05 17:17:14	INFO	imstat::::	         -- minimum value [min]:                    -7.77956e-05 Jy/beam
2026-02-05 17:17:14	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-02-05 17:17:14	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-02-05 17:17:14	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-02-05 17:17:14	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-02-05 17:17:14	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-02-05 17:17:14	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-02-05 17:17:14	INFO	imstat::::	Statistics --- 
2026-02-05 17:17:14	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-02-05 17:17:14	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-02-05 17:17:14	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-02-05 17:17:14	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-02-05 17:17:14	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86648e-05 Jy/beam
2026-02-05 17:17:14	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73536e-05 Jy/beam
2026-02-05 17:17:14	INFO	imstat::::	        -- IQR [quartile]:                          3.5639e-05 Jy/beam
2026-02-05 17:17:14	INFO	imstat::::	        -- First quartile [q1]:                     -3.45152e-05 Jy/beam
2026-02-05 17:17:14	INFO	imstat::::	        -- Third quartile [q3]:                     1.12373e-06 Jy/beam
2026-02-05 17:17:14	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-02-05 17:17:14	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-02-05 17:17:14	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-02-05 17:17:14	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-02-05 17:17:14	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-02-05 17:17:14	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-02-05 17:17:14	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
2026-02-05 17:17:14	INFO	imstat::::casa	Task imstat complete. Start time: 2026-02-05 17:17:13.593130 End time: 2026-02-05 17:17:13.619561
2026-02-05 17:17:14	INFO	imstat::::casa	##### End Task: imstat               #####
2026-02-05 17:17:14	INFO	imstat::::casa	##########################################
.
----------------------------------------------------------------------
Ran 27 tests in 346.973s

OK

Generating XML reports...